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LESSON Name 31 page 192 • Word Problems About Comparing New Concept • To compare two numbers Formula Larger − Smaller Difference Subtract. Problem 43 apples − 19 apples 24 apples Always put the BIGGER number on top! • Watch for these words: more fewer less than greater than Lesson Practice a. How much greater? b. How many fewer? c. How many more? 42 Mary 43 − − fewer − Cesar more © 2008 Saxon greater Frank 95 Juanita Saxon Math Intermediate 4 199 Adaptations Lesson 31 page 195 Written Practice 43 in the flock 1. − flew away 150 2. 3. − 75 apples − greater still in flock fewer 4. It is morning. What time will it be 3 hours from now? 11 10 time now: 12 1 2 9 Count forward 3 hours. 3 4 8 7 5. 412 6 5 6. expanded form: © 2008 Saxon words: Use work area. Saxon Math Intermediate 4 200 Adaptations Lesson 31 Written Practice, continued 7. page 196 8. a. 2 × 5 = 4 cm 2 cm b. 5 × 7 = c. 2 × 7 = a. perimeter d. 4 × 11 = b. area (area = length × width) a. b. Use work area. 9. 50 30 20 + + − − Use work area. 10. down 8 degrees 10 5 © 2008 Saxon 0 –5 –10 C Saxon Math Intermediate 4 201 Adaptations Lesson 31 Written Practice, continued page 196 12. a. 5 × 8 = 11. How much less? A 75 B 100 b. 2 × 8 = 125 150 c. 5 × 9 = Find the pattern B A 110 − less Use work area. quarters b. 1 quarter = c. 3 quarters = 14. Three hundred nine is less than three hundred ninety. of a dollar of a dollar Use work area. 15. Use work area. 16. 390 $4.22 − $2.95 © 2008 Saxon 13. a. $1 = less Saxon Math Intermediate 4 202 Adaptations Lesson 31 page 197 Written Practice, continued 17. 909 − 27 20. $4.86 + $2.95 18. 21. 19. $422 − $144 22. 370 − 209 703 − 471 23. 22 + n 37 76 − c 28 c= n= __ 24. What multiplication fact is illustrated by this square? 25. a. √ 9 = × =9 ___ b. √ 25 = × = 25 a. × b. = 26. Which of these does not equal 9? 27. a. 1 × 1 = ___ A 3 squared © 2008 Saxon ___ C √ 18 B √81 ___ b. 5 × 5 = ___ D √25 + √16 c. 8 × 8 = d. 9 × 9 = Use work area. Saxon Math Intermediate 4 203 Adaptations Lesson 31 Written Practice, continued 28. Compare. page 197 29. compatible numbers Look at the hundreds. Look at the tens. Look at the ones. a. 510 501 b. 722 976 c. 234 238 318 is close to is close to and 473 . + = Use work area. b. r p a l c. d. p o l a © 2008 Saxon 30. a. s Use work area. Saxon Math Intermediate 4 204 Adaptations Lesson 31 LESSON Name 32 Teacher Note: page 199 • Refer students to the Multiplication Table on page 5 in the Student Reference Guide. • Multiplication Facts: 9s, 10s, 11s, 12s New Concept • In 9s multiplication facts: The first digit of the product is one less than the factor. The two digits of the product always add up to 9. Magic of 9s 9 × 2 = 18 1+8=9 9 × 3 = 27 2+7=9 9 × 4 = 36 3+6=9 9 × 5 = 45 4+5=9 9 × 6 = 54 5+4=9 9 × 7 = 63 6+3=9 9 × 8 = 72 7+2=9 9 × 9 = 81 8+1=9 9 × 10 = 90 9+0=9 Lesson Practice © 2008 Saxon Find the product for each multiplication fact. Remember, the first digit is one less than the number multiplied, and the two digits add up to nine. 6 8 d. b. c. a. 5 9 × 9 × 9 × 3 × 9 e. 9 × 4 Saxon Math Intermediate 4 f. 7 × 9 g. 9 × 2 205 h. 9 × 9 Adaptations Lesson 32 Lesson Practice, continued Use the Multiplication Table on page 5 in the Student Reference Guide to find each product. i. 10 × 5 j. 10 × 7 k. 10 × 3 l. 10 × 9 m. 11 × 6 n. 11 × 4 o. 11 × 7 p. 11 × 9 q. 12 × 3 r. 12 × 5 s. 12 × 2 t. 12 × 4 page 202 Written Practice 1. 215 in book 2. greater than 800. Kande has read left to read even 3. Four hundred eighty-five is less than six hundred ninety. Use work area. 4. square numbers 1, 4, 9, 16, , , © 2008 Saxon See page 5 in the Student Reference Guide. ,… 1 is the square of . 4 is the square of sequence, 5 × 5 = ,6×6= . To finish the , and 7 × 7 = . Use work area. Saxon Math Intermediate 4 206 Adaptations Lesson 32 page 202 Written Practice, continued 5. evening 11 10 6. 729 12 expanded form: 1 2 9 3 words: 4 8 7 6 5 Use work area. 7. 6 + 6 + 6 + 6 + 6 + 6 + 6 8. 3 nickels ¢ ¢ 2 dimes Is the total even or odd? × 9. a. nearest ten 66 = 10. centimeters b. nearest dollar $6.60 c. nearest 25¢ $6.60 a. each side © 2008 Saxon b. perimeter a. Saxon Math Intermediate 4 b. a. c. b. 207 Adaptations Lesson 32 Written Practice, continued 11. Perpendicular looks like this: page 203 12. 62 – w 38 w= and 14. Draw an array of Xs to show 5 × 5. 13. Use work area. 16. a. 9 × 6 = 15. How much greater? A 0 b. 9 × 8 = B 100 200 c. 9 × 4 = d. 9 × 10 = Find the pattern. B − © 2008 Saxon A greater Use work area. Saxon Math Intermediate 4 208 Adaptations Lesson 32 Written Practice, continued page 203 17. a. 6 × 6 = 18. a. 2 × 11 = b. 4 × 4 = b. 8 × 11 = c. 7 × 7 = c. 5 × 11 = d. 10 × 10 = d. 3 × 11 = Use work area. Use work area. ___ 20. √ 81 19. a. What multiplication fact is shown here? × = 81 ___ b. √ 25 a. × = b. 21. $3.60 − $1.37 23. 413 − 380 875 − 218 25. 8 × 8 = 12 + 48 © 2008 Saxon 24. 24 + 36 22. Use work area. Saxon Math Intermediate 4 209 Adaptations Lesson 32 page 204 Written Practice, continued 26. A 3 B 7 27. 4 × 6 = 24 28. 6 × 4 = 24 C 12 D 15 batters batters Property of Multiplication Use work area. 29. compatible numbers 620 East China Sea 121 Yellow Sea difference 121 is close to = © 2008 Saxon 620 – . 30. a. 11, 22, 33, 44, 55, b. 12, 24, 36, 48, 60, Use work area. Saxon Math Intermediate 4 210 Adaptations Lesson 32 LESSON Name 33 Teacher Notes: page 205 • Writing Numbers Through Hundred Thousands • Introduce Hint #20 “Writing Numbers” and Hint #21 “Place Value (Digit Lines).” • Review “Spelling Numbers” and “Place Value” on pages 12 and 13 in the Student Reference Guide. • Review reference chart “Spelling Numbers.” New Concept • Place a comma after the word thousand: 4,507 34,507 234,507 four thousand, five hundred seven thirty-four thousand, five hundred seven two hundred thirty-four thousand, five hundred seven • Counting from the right, place a comma every three digits. • Four-digit whole numbers are often written without a comma. • Picture the numbers in groups of three. Each group is a family (units family, thousands family). The comma tells us the family name. Each family has three members: ones, tens, and hundreds. Example Write 75,634 in expanded form. 70,000 + 5000 + 600 + 30 + 4 Example © 2008 Saxon Compare: 510,000 501,000 Start at the greatest place value, then compare place by place. 510,000 > 501,000 Saxon Math Intermediate 4 211 Adaptations Lesson 33 Lesson Practice Read the following numbers to your teacher: a. 125 ,000 b. 435 ,000 c. 12 , 500 d. 25 , 375 e. 4 , 875 f. 250 , 625 Use words to write these numbers: g. 2 , 750 h. 14 , 518 i. 500 ,000 Use digits to write each number. j. twenty thousand , k. twelve thousand, three hundred fifty l. , one hundred twenty thousand, five hundred , Write in expanded form: m. 5280 + + + n. 2040 o. Which digit in 284,359 is in the ten-thousands place? p. Compare: 760,000 670,000 Start at the greatest place value. © 2008 Saxon q. Arrange these dates in order from earliest to latest: Start at the greatest place value. 1969 1903 , Saxon Math Intermediate 4 1957 , 1927 , 212 Adaptations Lesson 33 page 209 Written Practice 1. 2. 3425 272 K’Neesha Marcos expanded form: more words: Use work area. 3. Draw 2 parallel lines (horizontal). Cross with right-angle line (vertical). See page 16 in the Student Reference Guide. Use work area. 4. 4 × 4 = × 42 = 49 ___ √49 − 5. 6. Put in commas. Circle groups. 250000 words: © 2008 Saxon a. perimeter b. area (Area = length × width) a. b. Saxon Math Intermediate 4 Use work area. 213 Adaptations Lesson 33 page 209 Written Practice, continued 7. …, 230, 240, 250, 260, , , , ,… Use work area. 9. 9 × 4 8. ten-thousands place ___ √36 123,456 Use work area. 10. It is evening. What time will it be 2 hours and 25 minutes from now? time now: 11 12 1 10 Count forward 2 hours. 2 9 Count forward 25 minutes. 3 4 8 6 5 © 2008 Saxon 7 11. 2000 2100 2200 2300 Find the pattern. Saxon Math Intermediate 4 214 Adaptations Lesson 33 page 210 Written Practice, continued 12. a. 5 × 8 = c. 8 × 8 = b. 4 × 4 = 13. a. 9 × 3 = d. 12 × 12 = c. 9 × 5 = b. 9 × 4 = d. 9 × 10 = a. b. a. b. c. d. c. d. 14. 100 40 60 + + − − Use work area. 15. 20 + 20 + 20 + 20 + 20 16. $7.37 − $2.68 × 17. 921 − 58 18. 464 + 247 19. 329 + z 547 © 2008 Saxon z= 20. $4.88 + $2.69 21. 555 − c 222 22. Which month? 5/27/98 c= Saxon Math Intermediate 4 215 Adaptations Lesson 33 page 211 Written Practice, continued 23. 24. 1 inch 25. 4 8 12 16 14 28 + 37 5 8 7 14 6 21 + 15 The diameter of a circle is equal to radii. 27. Which number is not in the sequence? 26. 25,000 1, 4, 9, 16, 25, 36, … 250,000 Start at the greatest place value. A 64 B 49 C 80 D 100 Use work area. 28. 189 Kentucky 176 Maryland 29. See page 1 in the Student Reference Guide. 12, 24, 36, 48, , , altogether © 2008 Saxon , 30. 10, 20, 30, Saxon Math Intermediate 4 , , 216 , , , Adaptations Lesson 33 LESSON Name 34 Teacher Notes: page 212 • Review Hint #21 “Place Value (Digit Lines).” • Review “Place Value” on page 13 in the Student Reference Guide. • Writing Numbers Through Hundred Millions • For additional practice, students may complete Targeted Practice 34. New Concept • Use digit lines. • Three digit lines will always follow a comma. , hundreds tens ones hundred millions ten millions millions hundred thousands ten thousands thousands • Always put a comma after the words thousand and million. , millions thousands units Example Use words to write: 12345678 12,345,678 Circle the families. © 2008 Saxon Write the families. Saxon Math Intermediate 4 12 , 345 , 678 Twelve million, three hundred forty-five thousand, six hundred seventy-eight 217 Adaptations Lesson 34 Lesson Practice Use words to write each number: a. 121 , 340 , 000 b. 12 , 507 , 000 c. 5 , 075 , 000 Use digits to write each number: d. twenty-five million , , e. twelve million, five hundred thousand , , f. two hundred eighty million , , g. Start at the greatest place value. Compare: 34 million 43 million h. Start at the greatest place value. Arrange in order from least to greatest: , Start at the greatest place value. Arrange in order from least to greatest: 12,375 1,000,000 © 2008 Saxon i. , 987,000 , Saxon Math Intermediate 4 , 218 Adaptations Lesson 34 Written Practice page 215 465 1. 2. 420 Marcie Kareem fewer greater 3. a. perimeter 4. 25,463 b. area expanded form: (area = length × width) Use work area. 5. Use work area. 6. It is afternoon. What time will it be in 1 hour and 35 minutes? 4 cm © 2008 Saxon Time now: Count forward 1 hour: Count forward 35 minutes: Saxon Math Intermediate 4 219 Adaptations Lesson 34 page 216 Written Practice, continued 8. 12 + 12 + 12 + 12 + 12 7. 9. 76 59 × 10. a. 3 –4 b. two million = 11. How much less? 200,000 A 200 210 B 220 230 Find the pattern. B – A less Use work area. 12. a. 5 × 7 = 13. a. 3 × 9 = b. 6 × 6 = b. 9 × 7 = b. 6 × 12 = c. 9 × 9 = c. 8 × 9 = c. 8 × 11 = d. 10 × 10 = d. 9 × 1 = d. 10 × 12 = Use work area. Use work area. © 2008 Saxon Use work area. 14. a. 11 × 11 = 15. a. Circle the families. 3,500,000 words: b. seven hundred fifty thousand digit lines digits: Use work area. Saxon Math Intermediate 4 220 Adaptations Lesson 34 Written Practice, continued 16. 535 – 268 19. c + 329 715 17. page 216 908 – 43 18. 20. $471 – $346 c – 127 398 c= c= 22. Five squared is how much more than 5 + 5? 21. 12 in. = 1 ft 5×5 52 12 in. 5+5 more d = 2r 24. two odd 23. one even © 2008 Saxon + – =9 × = 16 __ fact family + × √9 – ___ √16 + Use work area. Saxon Math Intermediate 4 221 Adaptations Lesson 34 page 217 Written Practice, continued 25. See page 15 in the Student Reference Guide. 26. thousands place 3,756,289 A 3 B 7 C 5 D 6 Use work area. 27. In order from greatest to least: , , , Use work area. 29. eighth term 28. twelfth term , , , , , $2.49 12, 24, 36, 48, , , 30. Caitlin needs $ , , , , bags because 25 + 25 + 25 + 25 = 100. © 2008 Saxon 11, 22, 33, 44, per bag of 25 +$ +$ +$ =$ Use work area. Saxon Math Intermediate 4 222 Adaptations Lesson 34 LESSON Name 35 page 218 • Naming Mixed Numbers and Money New Concept • Use the word “and” when naming mixed numbers. two and one fourth Math Language â 2 14 A mixed number is a whole number and a fraction: 1 3__ 2 • To write money amounts using digits: There will always be two digits after the decimal point. $0.04 = 4¢ 40¢ = $0.40 • To write money amounts using words: Use “and” in place of the decimal point. thirty dollars and seventy-six cents $30.76 Lesson Practice What mixed numbers are pictured here? a. = b. = Shade these circles to show the mixed numbers: © 2008 Saxon 1 c. 1 __ 4 Saxon Math Intermediate 4 3 d. 2 __ 4 223 Adaptations Lesson 35 Lesson Practice, continued Use words to write each mixed number: 3 e. 12 __ 7 f. 2 ___ 4 10 9 g. 6 ____ 100 Write each amount with a cent sign instead of a dollar sign: h. $0.17 i. $0.05 Write each amount with a dollar sign instead of a cent sign: j. 8¢ k. 30¢ l. Write the value of two quarters, two dimes, and one nickel with a dollar sign. Then use a cent sign to write this amount again. $ . ¢ Use words to write: m. $20.05 _______________________________________ n. Show how to write the dollars line on a check for $12.25. 100 Written Practice 72 in 1998 © 2008 Saxon 1. page 222 in 1968 more Saxon Math Intermediate 4 224 Adaptations Lesson 35 Written Practice, continued 2. page 222 300 yd 100 yd + + + = The distance around the block is the . Use work area. 97 first 3. 4. mixed number 5. four dollars and sixty-five cents second third in all 7. See page 15 in the Student Reference Guide. 6. Find the pattern. A B C D 9. It is evening. What time will it be 2 hours and 20 minutes from now? 8. The square root of 81 is how much less than seven squared? 7×7= © 2008 Saxon ______ × ______ time now: = 81 Count forward 2 hours. 72 ___ Count forward 20 minutes. √81 Use work area. Saxon Math Intermediate 4 225 Adaptations Lesson 35 Written Practice, continued page 223 3 10. 2 ___ 10 words: Use work area. B 11. Find the difference. Find the pattern. A A 300 − B 400 500 difference 600 12. $1.43 words: Use work area. 14. a. 6 × 6 = b. 4 × 9 = b. 7 × 7 = c. 3 × 9 = c. 8 × 8 = d. 10 × 9 = d. 11 × 11 = Use work area. Saxon Math Intermediate 4 15. × = 25 × = 16 ___ √25 ___ √16 − Use work area. 226 Adaptations Lesson 35 © 2008 Saxon 13. a. 6 × 9 = page 224 Written Practice, continued 2. 16. Shade __ 17. 3 $6.05 − $2.53 18. + z= Use work area. 19. 20. $5.32 + $3.44 489 z 766 c + 294 870 21. 22. 423 − 245 − 670 z 352 z= c= 23. Write two hundred fifty million. Use digit lines. , , © 2008 Saxon 24. 25. a. 7 7 …, 3400, 3500, 3600, 3700, , , b. $6. 82 ,… Use work area. Saxon Math Intermediate 4 227 Use work area. Adaptations Lesson 35 page 224 Written Practice, continued 26. If 7 + = 10, then which of the following equals 7 − ? A 3 B 4 C 7 27. a. thirty thousand 13,000 D 10 b. 74¢ $0.74 Use work area. 28. greatest to least Start at the greatest place value. , , Use work area. 29. twelfth term 30. Name a real-world example of: a. 11, 22, 33, 44, , , a. parallel lines , , , Parallel looks like railroad tracks. , b. perpendicular lines , Perpendicular looks like this: b. 12, 24, 36, 48, , , , , © 2008 Saxon , , , Saxon Math Intermediate 4 a. a. b. b. 228 Adaptations Lesson 35 LESSON Name 36 page 226 • Fractions of a Dollar New Concept • Coins can be shown as fractions of a dollar. • One penny is one hundredth of a dollar. 100 pennies = 1 dollar 3 of a dollar 3 pennies = ____ $0.03 = 3 ____ 100 100 of a dollar • One fourth is also called “one quarter.” 4 quarters = 1 dollar 1 of a dollar 1 quarter = __ 4 $0.25 = 1 __ 4 of a dollar • One dime is one tenth of a dollar. 10 dimes = 1 dollar 3 of a dollar 3 dimes = ___ 10 $0.30 = 3 ___ 10 of a dollar • One nickel is one twentieth of a dollar. 20 nickels = 1 dollar 7 of a dollar 7 nickels = ___ 20 $0.35 = 7 ___ 20 of a dollar © 2008 Saxon Lesson Practice a. three quarters __ $ . b. three nickels __ $ . Saxon Math Intermediate 4 229 Adaptations Lesson 36 Lesson Practice, continued c. fifty pennies. __ $ . 1 of a dollar d. ___ _1_ of a dollar 4 10 ¢ e. ¢ _1_ of a dollar 2 $0.25 ¢ ¢ f. List all of the different ways to pair two coins. Act it out. nickel, quarter quarter, nickel, quarter, nickel, half dollar dime, Written Practice 3. 70 in. Dad 2. $36.49 into the store Quinh spent shorter left the store 11 at school 4. mixed number © 2008 Saxon 1. page 230 homework 25 total Saxon Math Intermediate 4 230 Adaptations Lesson 36 Written Practice, continued page 230 5. Which letter below has NO right angles? T H E 6. 2,700,000 Circle the families. words: N Use work area. 7. eighty−two thousand, five hundred digit lines , Use work area. 8. It is morning. What time will it be 4 hours and 20 minutes from now? 11 10 time now: 12 1 2 9 Count forward 4 hours. 3 4 8 7 6 5 Count forward 20 minutes. 9. 4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 10. a. nearest ten: 176 © 2008 Saxon b. nearest dollar: $17.60 a. b. × Saxon Math Intermediate 4 231 Adaptations Lesson 36 page 231 Written Practice, continued 11. How much less? Find the pattern. X 500 Y 600 Y 700 X – less 12. a. 2 × 8 = 13. a. 3 × 3 = 14. a. 9 × 7 = b. 5 × 6 = b. 5 × 5 = b. 9 × 4 = c. 4 × 5 = c. 9 × 9 = c. 9 × 8 = d. 5 × 8 = d. 10 × 10 = d. 9 × 12 = Use work area. × × 15. = 36 = 49 Use work area. 16. Use work area. $7.32 – $3.45 ___ √36 + Saxon Math Intermediate 4 © 2008 Saxon ___ √49 232 Adaptations Lesson 36 page 231 Written Practice, continued 17. $4.89 + $2.57 18. 464 – 238 19. 548 + 999 20. 487 + z 721 21. 250 – c 122 22. c – 338 238 z= 23. c= c= 24. ten−thousands place 87 – b 54 8,367,254 b= 25. Which does not equal one half of a dollar? 5 in. 26. 4 in. A 2 quarters B 0.50¢ C $0.50 D 50¢ © 2008 Saxon area = length × width Saxon Math Intermediate 4 233 A 9 in. B 18 in. C 20 sq. in. D 18 sq. in. Adaptations Lesson 36 page 232 Written Practice, continued 27. a. –12 –21 28. tenth term 1 of a dollar b. __ a. 12, 24, 36, 48, 60, $0.25 4 , ¢ ¢ , , , , b. 11, 22, 33, 44, 55, , , , a. a. b. b. 29. List all of the different ways to pair two bills. Act it out. $1, $5, $1, $5, $1, $10, Use work area. Louisiana 30. 397 © 2008 Saxon Oregon 296 combined 397 rounds to + and 296 rounds to . = Use work area. Saxon Math Intermediate 4 234 Adaptations Lesson 36 LESSON Name 37 Teacher Note: page 233 • For additional practice, students may complete Targeted Practice 37. • Reading Fractions and Mixed Numbers from a Number Line New Concept • To name mixed numbers on a number line: 1. Count from the whole number to the arrow to find the numerator (top number). 2. Count the segments between whole numbers to find the denominator (bottom number). 3. Don’t forget the whole number. Example 5 6 7 1. Two segments between 5 and arrow The numerator is 2. The denominator is 3. 2. Three segments between 5 and 6 3. The whole number is 5. 2. The answer is 5 __ 3 Lesson Practice Name each fraction or mixed number marked by the arrows below: © 2008 Saxon a. a. c. b. b. 0 1 2 0 3 1 2 3 c. d. e. d. 0 1 Saxon Math Intermediate 4 2 e. 3 235 Adaptations Lesson 37 Lesson Practice, continued 3, 26 __ 1, and 27__ 1. f. Label 25 __ 4 2 4 25 26 Written Practice 27 page 235 Pearl River 1. Sabine 2. + San Juan River longer 430 Wisconsin longer 3. four hundred seventy-five thousand, three hundred forty-two digit lines Circle the digit in the ten-thousands place. , 4. area = length × width is a reasonable answer because the tiles will be placed × Saxon Math Intermediate 4 down. © 2008 Saxon across and = 236 Adaptations Lesson 37 page 235 Written Practice, continued 5. mixed number 6. 5 cm 3 cm 10 11 12 perimeter Add all sides. 3 8. 12___ 7. 10 words: Use work area. 9. 7026 10. It is early morning. What time will it be 2 hours and 35 minutes from now? expanded form: 11 10 12 1 2 9 3 4 8 7 6 5 words: © 2008 Saxon time now: Count forward 2 hours. Count forward 35 minutes. Use work area. Saxon Math Intermediate 4 237 Adaptations Lesson 37 Written Practice, continued page 236 11. three quarters 12. How many quarters in a dollar? a. fraction b. value a. b. × = 14. a. 10 × 10 = 13. a. 9 × 6 = b. 9 × 5 = b. 7 × 7 = c. 9 × 0 = c. 8 × 8 = Use work area. 15. a. 5 × 7 = Use work area. × × 16. b. 6 × 5 = = 81 = 49 ___ √81 c. 2 × 8 = ___ √49 + 17. $6.63 – $3.55 Saxon Math Intermediate 4 18. 238 © 2008 Saxon Use work area. $4.99 + $2.88 Adaptations Lesson 37 page 236 Written Practice, continued 19. a – 247 321 20. z + 296 531 z= a= 21. – 523 z 145 22. 28 46 48 64 32 + 344 z= 23. a. 24. …, 450, 460, 470, 480, , , 1 ft = in. 1 ft ,… d = 2r b. Count by . Use work area. 1 of a dollar 25. a. __ 4 1 of a dollar __ 2 26. One yard does not equal which of the following? See page 2 in the Student Reference Guide. © 2008 Saxon ¢ b. 101,010 a. Saxon Math Intermediate 4 A 36 in. B 3 ft C 1m D 2 ft + 12 in. ¢ 110,000 b. 239 Adaptations Lesson 37 Written Practice, Practice, continued page 237 27. In order from smallest to largest: , , , Use work area. 28. Twice the weight of a cheetah would be 130 + which is = , close to 170. 29. 23 30. 47° July 34° minimum Saxon Math Intermediate 4 © 2008 Saxon cooler 240 Adaptations Lesson 37 LESSON Name 38 Teacher Note: page 238 • Refer students to Multiplication Table on page 5 in the Student Reference Guide. • Multiplication Facts (Memory Group) New Concept • This is the memory group: 3 × 4 = 12 4 × 7 = 28 3 × 6 = 18 4 × 8 = 32 3 × 7 = 21 6 × 7 = 42 3 × 8 = 24 6 × 8 = 48 4 × 6 = 24 7 × 8 = 56 Lesson Practice a. Complete Power Up F. Find each product. b. c. 12 × 8 g. 12 × 12 d. 12 × 7 h. 12 × 9 e. 12 × 5 i. × 12 6 12 × 11 © 2008 Saxon f. 11 × 11 Saxon Math Intermediate 4 241 Adaptations Lesson 38 Written Practice page 239 405 harbor 1. river more 2. five hundred seventy-five thousand, five hundred forty-two digit lines. , 3. 2503 expanded form: words: Use work area. © 2008 Saxon 4. a. perimeter a. b. area (area = length × width) b. Saxon Math Intermediate 4 242 Adaptations Lesson 38 Written Practice, continued page 240 5. 6. Which street is parallel to Broad St.? 7 8 9 10 BROAD ST. ELM ST. MAIN ST. 7. 8. a. nearest ten 624 b. nearest dollar $6.24 c. nearest 25 cents $6.24 a. b. c. 9. It is morning. How long is it until 12:30 p.m? 11 10 time now: 12 1 2 9 3 4 © 2008 Saxon 8 7 Count forward hours: 7:25 − 12:25 6 5 Count forward minutes: 12:25 − 12:30 Saxon Math Intermediate 4 243 Adaptations Lesson 38 Written Practice, continued page 241 11 11. 2 ____ 10. fifty-cent coin 100 a. fraction words: b. value a. b. 12. 6 squared × = Use work area. 13. a. 3 × 4 = 14. a. 4 × 6 = b. 3 × 6 = b. 4 × 7 = c. 3 × 8 = c. 4 × 8 = a. a. b. b. c. c. 1 of a dollar 16. ___ 15. a. 6 × 7 = 10 1 of a dollar __ 2 b. 6 × 8 = c. 7 × 8 = ¢ © 2008 Saxon ¢ a. b. c. Saxon Math Intermediate 4 244 Adaptations Lesson 38 page 241 Written Practice, continued 17. $7.23 − $2.54 $5.42 18. 19. 943 − 276 + 20. top missing 21. Add. z − 581 222 z= c + 843 960 22. 100 cm c= ___ 23. 28 + 36 + 78 + √ 49 = × × 24. 28 36 78 ____ = 144 = 121 ____ √144 − √121 + – © 2008 Saxon 1 of 25. Which of the following is not ___ 10 a dollar? = 26. Which digit in 457,326,180 is in the hundred-thousands place? See page 13 in the Student Reference Guide. A dime C $0.10 Saxon Math Intermediate 4 B 0.10¢ A 1 B 6 C 4 D 3 D 10¢ 245 Adaptations Lesson 38 page 242 Written Practice, continued 27. a. A s angle has corners. b. An angle is than a right angle. c. An angle is than a right angle. Use work area. 28. 12, 24, 36, 48, … a. rule: Count by b. Complete the sequence. Circle the eleventh term. 12, 24, 36, 48, , , , , , , Use work area. 29. compatible numbers $14.99 $18.95 $14.99 rounds to + and $18.95 rounds to . = © 2008 Saxon Use work area. 30. How much for six? Number of Tickets Cost Saxon Math Intermediate 4 1 2 3 4 5 6 $11 $22 $33 $44 246 Adaptations Lesson 38 LESSON Name 39 Teacher Notes: page 243 • Introduce Hint #22 “Reading Inch Rulers.” • Use a tape measure to illustrate concepts in this lesson. • Reading an Inch Scale to the Nearest Fourth New Concept • The long marks on this ruler are inch marks. inch mark inch mark 1 2 inch 1 inch 2 mark 3 4 1 inch 2 mark 1 -inch • The marks halfway between the inch marks are __ 2 marks. • Each inch is divided into fourths. inch 1 2 3 4 1 -inch marks. The short tick marks are __ One quarter inch = 2 = __ 1 __ 4 2 © 2008 Saxon Activity 1 __ 4 4 inch (Think: Two quarters equal half of a dollar.) page 244 Make a Ruler and Measure Use an inch ruler to measure the segments below. a. b. c. Saxon Math Intermediate 4 247 Adaptations Lesson 39 Lesson Practice 2 equals __ 1. a. Shade these circles to show that __ 4 2 â Name each point marked by an arrow on this inch scale. Remember to write the whole number. b inch b. c 1 d e 2 c. 3 4 d. e. f. Measure the length and width of this paper. width: length: g. Find the distance from A to C. A B C h. If Pam stacks two of these blocks together, what are all the possible combined heights she could make? 1 inch 11 2 inches © 2008 Saxon Act it out. 2 inches , Saxon Math Intermediate 4 248 , Adaptations Lesson 39 Written Practice 1. page 246 35 mother Trinity older This is l problem because it − s = c d two numbers. 2. four hundred sixty-eight thousand, five hundred two digit lines , 3. 3905 4. 243 J’Maresh Leilani expanded form: total Odd or even? words: © 2008 Saxon Use work area. 1 5. 100 ____ 100 words: Use work area. Saxon Math Intermediate 4 249 Adaptations Lesson 39 Written Practice, continued page 246 6. Negative nineteen is greater than negative ninety. 7. Use a dollar sign and a decimal point to write the value of two dollars, one quarter, two dimes, and three nickels. $ 2.00 $ . $ . $ . Use work area. 8. It is morning. School begins at 8:15 a.m. 11 10 time now: 12 1 2 9 3 4 8 early or late? 7 6 5 how many minutes? Use work area. 10. One kilometer is how many meters? 9. nine dimes See page 1 in the Student Reference Guide. a. fraction b. value a. 11. Saxon Math Intermediate 4 12. Find the length to the nearest quarter inch. 250 Adaptations Lesson 39 © 2008 Saxon b. page 247 Written Practice, continued 13. a. 4 × 3 = 14. a. 6 × 3 = 15. a. 7 × 3 = b. 6 × 4 = b. 7 × 4 = c. 7 × 6 = c. 8 × 6 = d. 6 × 12 = d. 8 × 12 = b. 8 × 3 = c. 8 × 4 = d. 4 × 12 = Use work area. × × 16. = 64 = 36 Use work area. 17. $4.86 Use work area. 18. $4.86 − $2.47 21. 463 − y 411 + ___ √64 ___ √36 − 293 19. 20. 893 − 678 + y= 22. © 2008 Saxon + 463 q 527 23. 8 squared 24. … , 470, 480, 490, 500, , , ,… q= Saxon Math Intermediate 4 × = 251 Use work area. Adaptations Lesson 39 page 248 Written Practice, continued 26. Which of these does not equal 9 + 9? 25. Draw a triangle that has three acute angles. See page 15 in the Student Reference Guide. A 2×9 B 9×2 C 3×6 D nine squared Use work area. 28. Anastacia’s estimate 27. In order from most expensive to least expensive: reasonable because 350 – 200 = which , close to 140. Use work area. Use work area. 30. How many inches in 20 feet? 29. What are the perimeters? feet × 12 = inches 4 in. 2 in. © 2008 Saxon 6 in. 2 in. 6 in. 4 in. Saxon Math Intermediate 4 252 Adaptations Lesson 39 LESSON Name 40 Teacher Notes: page 249 • Introduce Hint #24 “Measuring Liquids and Capacities of Containers.” • Capacity • Refer students to “Liquids” and “Equivalence Table for Units” on page 1 in the Student Reference Guide. • Display reference chart “Liquids.” New Concept Abbreviations for U.S. Liquid Measures fluid ounce fl oz cup c pint pt quart qt gallon gal Milk 1 cup 1 mL 1 oz 1 cup Activity Half & Half 1 pint 1 quart 1 liter 1 gallon 2 2 liters 1 gallon page 251 Measuring Capacity © 2008 Saxon a. How many cups of liquid equal a pint? b. How many pints of liquid equal a quart? c. How many quarts of liquid equal a half gallon? d. How many half gallons of liquid equal a gallon? Saxon Math Intermediate 4 253 Adaptations Lesson 40 New Concept, continued e. How many quarters equal a dollar? f. How many quarts of liquid equal a gallon? g. U.S. Liquid Measure 8 fl oz â 1 c c â 1 pt pt â 1 qt qt â 1 gal h. Compare: 1 quart 1 liter i. Compare: _1_ gallon 2 liters 2 j. How many liters will it take to fill a gallon container? k. A full 2-liter bottle of liquid contains how many milliliters of liquid? Lesson Practice a. Complete this table. Gallons 1 2 Quarts 4 8 3 b. How many quarts in 12 gallons? 4 5 6 7 8 c. one pint = 2 cups © 2008 Saxon one cup = 8 ounces How many ounces is one pint? 2× = d. About how many milliliters would it take to fill a 3 _1_ -liter container? 2 1000 + 1000 + 1000 + 500 = Saxon Math Intermediate 4 254 Adaptations Lesson 40 page 253 Written Practice 1. 112 big small 2. 36 in. one yard 12 in. one piece other piece 3. 47 Mrs. Green husband son fewer in all 4. 7,500,000 Circle the families. expanded form: words: Use work area. 5. thousands place 27,384,509 6. $3.00 $ . $ . $ . words: © 2008 Saxon Use work area. 7. 1 gal = qt 8. See page 1 in the Student Reference Guide. Saxon Math Intermediate 4 255 Adaptations Lesson 40 page 253 Written Practice, continued 10. 1 gal = 3.78 L 9. Use this information to compare: 1 gallon 3 liters Use work area. 11. It is evening. How long until 12:00? 12. What type of angle is formed by the hands of the clock in problem 11? time now: Count forward minutes: 11 10 10:10 11:00 12 1 2 9 B right C obtuse D straight 3 4 8 7 5 6 Count forward hours: 11:00 A acute 12:00 13. a. −29 −32 14. 2 cm b. $0.75 ¢ 3 of a dollar __ 4 ¢ 15. a. 6 × 6 = b. 7 × 7 = c. 8 × 8 = d. 12 × 12 = Use work area. 16. a. 7 × 9 = b. 6 × 9 = c. 9 × 9 = d. 9 × 12 = Use work area. Saxon Math Intermediate 4 256 Adaptations Lesson 40 © 2008 Saxon Use work area. page 254 Written Practice, continued b. 6 × 7 = 17. a. 7 × 8 = c. 8 × 4 = d. 12 × 7 = Use work area. 18. 19. $4.98 + $ . 20. m − $6.70 $3.30 − 416 z 179 z= m= __ 21. 22. √ 1 536 + z 721 23. Draw an array of Xs to show 3 × 7. __ √4 __ √9 + z= Use work area. 1 24. 10 ___ 25. two quarters 10 a. fraction b. value words: a. Use work area. b. © 2008 Saxon 26. A rectangle has an area of 24 square inches. Which of these could be the length and width of the rectangle? Circle one. Area = length × width A 6 in. by 6 in. B 12 in. by 12 in. C 8 in. by 4 in. D 8 in. by 3 in. Use work area. Saxon Math Intermediate 4 257 Adaptations Lesson 40 Written Practice, continued page 255 27. Two quarters equal half of a dollar. 2=8 8 __ 4 Use work area. 28. + 24 ft. 12 ft. + + = 12 ft. 24 ft. The perimeter is so the gardener should buy the roll. Use work area. 29. compatible numbers $0.66 $0.66 $ $ $12.00 + $12.00 The tax on each pair of gloves is about more than $12 + $12 + + . The total cost is a little = . Use work area. 30. How many different three-digit numbers can you make with 6, 2, and 0? © 2008 Saxon Label even or odd. Saxon Math Intermediate 4 258 Adaptations Lesson 40 4A/B I NVE S TIGATION Name Teacher Note: • Student will need Lesson Activity 23 to complete Activity 2. page 256 Focus on • Tenths and Hundredths • Relating Decimals and Fractions • The value of coins can be shown as a fraction of a dollar. • We use decimal numbers when we write money amounts. _1_ 4 1 ___ 10 â$0.25 1 ___ 20 â$0.10 â$0.05 1 ____ 100 â$0.01 • The numbers after the decimal point show parts of a dollar. decimal point . 1s place © 2008 Saxon Activity 1 1 10 s 1 s 100 place place page 256 Tenths and Hundredths Show these amounts with your money manipulatives. 1. $345.23 2. $0.42 3. $5.20 4. $3.02 Write the amount shown in your textbook. 5. Saxon Math Intermediate 4 6. 7. 259 Adaptations Investigation 4A/B INVE STIGATION 4A/B continued Use money manipulatives to compare. 8. 9. $0.40 $0.07 Write the amounts shown in your textbook in order from greatest to least for problems 10 and 11. 10. $1.10 , , 11. $1.20 , , Use bills and coins to show these decimal numbers: 12. 3.42 three and forty-two hundredths 13. 0.24 twenty-four hundredths 14. 12.03 twelve and three hundredths 15. 1.3 one and three tenths © 2008 Saxon • The square is divided into 10 equal parts. 1 â 0.1 (Both say one tenth.) 10 • One part is shaded. Saxon Math Intermediate 4 260 Adaptations Investigation 4A/B INVE STIGATION 4A/B continued Use the pictures in your textbook for problems 16-19. 16. decimal: fraction: 17. decimal: fraction: 18. decimal: fraction: 19. decimal: fraction: • The square is divided into 100 equal parts. • One part is shaded. © 2008 Saxon 1 â 0.01 (Both say one hundredth.) 100 Saxon Math Intermediate 4 261 Adaptations Investigation 4A/B INVE STIGATION 4A/B continued Use the pictures in your textbook for problems 20-23. 20. decimal: 21. decimal: fraction: fraction: 22. decimal: 23. decimal: fraction: fraction: • Look at problems 19 and 22. Half of each square is shaded. 5 = ____ 50 and __ 1 = ___ 1 = 0.5 = 0.50 __ 2 10 100 2 24. Which of the following numbers does not equal one half? 5 A ___ 10 50 C ____ B 5 D 0.05 100 Complete each comparison. 25. 0.1 0.10 0.2 0.02 27. The pictures above show the decimal numbers 0.1, 0.2, 0.02. Arrange the numbers in order from least to greatest. Saxon Math Intermediate 4 262 Adaptations Investigation 4A/B © 2008 Saxon 26. INVE STIGATION continued 4A/B Activity 2 page 260 Using Unit Squares to Relate Fractions and Decimal Numbers • Use your textbook to complete this activity. • Fractions and decimals are two ways to describe parts of a whole. • Decimals use place value to show the part of the whole. 0 whole number . . 2 tenth 5 hundredth one decimal place two decimal places three decimal places 1 0.1 = ___ 12 0.12 = ____ 123 0.123 = _____ 10 100 1000 Read each number aloud. Remember to say tenths, hundredths, or thousandths. 75 33. a. ____ b. 0.75 7 ____ 100 b. 0.07 100 34. a. 3 35. a. ___ b. 0.3 2 36. a. ___ b. 0.2 10 © 2008 Saxon 10 Saxon Math Intermediate 4 263 Adaptations Investigation 4A/B INVE STIGATION 4A/B continued • To name 12.25: whole number fraction 12 25 . 1. Name this part. 2. Say or write “and.” 3. Then name this part. Read each number aloud. Then use words to write each number. 37. a. 10.75 b. 12.5 38. a. 6.42 b. 10.1 Use digits to write each of these decimal numbers: 39. one and three tenths _____ 40. two and twenty-five hundredths _____ 41. three and twelve hundredths _____ Activity 3 page 262 Using Decimal Numbers on Stopwatch Displays • This activity is optional. Saxon Math Intermediate 4 264 Adaptations Investigation 4A/B © 2008 Saxon 42. four and five tenths _____