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_______________________ ___________ NAME ______________ DATE PERIOD Lesson 4 Homework Practice Terminating and Repeating Decimals Write each fraction as a decimal. Use bar notation if the decimal is a repeating decimal. 0.625 1. 0.2 —0.1 0.54 5. o.ö 0.83 7. 0.6 0.428571 16. 17. —0.75 9. —0.183 — 0.275 11. 0.079365 13. 0.432 3. - 0.65 —0.3 15. 0.216 18. —0.136 — - 0.21875 a Write each decimal as a fraction or mixed number in simplest form. —* 19. —0.4 21. —3.75 t!083 23. —0,16 —2- —4- .—0.65 —* _-g c.2.42 25. KILOMETERS One kilometer is approximately represents this length? 062 mile. What decimal a won 7 of the 15 races he ran, Write Jake’s fraction of cARATHON Jake wins as a decimal. Course 1 0.46 Chapter 5 Integers and the Coordinate Plane 79 NAME PERIOD DATE Lesson 5 Homework Practice Compare and Order Rational Numbers Fill j with <, >, or 1. —4- = —4.12 < 2.93 )_12_13 7.6 —8.5 > 5. —3.72 < 7. —2.87 to make a true statement. < > —19.03 > > 1L—1.4 9. —24.7 —24-b • —31.1 < < < Order the following sets of numbers from least to greatest. {14, —1.23, 13. (43.18, —+‘ —43.3, 43} —43.3, —43-i., 43.18, 43-- 15. (13.7, 13-k, 13, 13.2) —1.23, {6*, —6+. —13.2, —13, 13-i, 13.7 _i4 1.14) 1.14, 16.3. 6.04) —6.3, —6+, 6.04, 6* 17. SUBMARINE A submarine’s depth levels are recorded in the table at the right. Order the numbers from least to greatest. Depth —4.3 —82.5, —41*, —131, —4.3 —82.5 -41g. -1 8 E E 18.OALS A runner wants to run the 100—meter (lash in 13 seconds or less. The table shows the difference between his goal and his actual times. Order the differences from least to greatest. —1.2, —, 1.1, 21 Race Differences Between Goal and Actual Time (s) 1 —1.2 2 21 8 3 4 Course 1 • Chapter 5 Integers and the Coordinate Plane 1,1 NAME DATE PERIOD Lesson 6 Homework Practice The Coordinate Plane Use the coordinate plane at the right. Identify the point for each ordered pair. K 1. (—3.4) F (—4, —3) - TJT-Y bTT 1 - : iz - 3. (—2, —2) B —1) ‘ E Liii_ H 5. (0, 1) cs—i, —4) J Use the coordinate plane above. Write the ordered pair that names each point. Then identify the quadrant where each point is located. 7. C (—4, 1); II 9..D (1,5);I 11. G (—2, 2); II (3, 2); I (1,—5);IV (0, 2); none 0 0 0 Use the map of the Alger Underwater Preserve in Lake Superior to answer the following questions. 13, In which quadrant is the Stephen M. Selvick located? none 0 E 1hat is the ordered pair that represents the location of the Bermuda? the Superior? E Bermuda: (—2, —1) Superior: (4, 1) 15. Which quadrant contains Williams Island? II (16.)Which shipwreck is closest to the Origin? Herman H. Hettler Course 1 • Chapter 5 Integers and the Coordinate Plane • Sflp ecks ________ NAME DATE PER)OD Lesson 7 Homework Practice Graph on the Coordinate Plane Graph and label each point on the coordinate plane. 1. L(—2, 0) M(5, 2) 3. N(—4, —3) P(1, —fl 5. Q0, —4) R(3. —3) :i: Ax, 0 7. C(O,0 9. D(—1, —3) 11. G(—1, 4) A(4, 0) 1(3, 3) On the coordinate plane, draw triangle ABC with vertices A—3.3), B( —3,—3). C(1.—3). Find the area of the triangle in square units. 12 sq units - 0 14SEE 0 E -w i 14j On the coordmate plane. draw rectangle WK’Z with vertices Wt—i,4),X—1.1>. 5i). and Z(5,4). Find the perimeter of the rectangle. 18 units x. — : Course 1 • Chapter 5 ntegers and the Coordinate Plane — 0 — y z Y x I NAME PERIOD DATE Lesson 4 Problem-Solving Practice Terminating and Repeating Decimals 1. BOYS AND GIRLS There were 5 girls and 22 boys in Mrs. Pantoja’s math class. Write the number of girls as a fraction of the number of boys. Then write the fraction as a decimal. c&DOGS In a neighborhood of 75 families, 16 families own one or more dogs. Write the number of families who own one or more dogs as a fraction. Then write the fraction as a decimal. 0.227 3. PHONES In one town, about 93 of every 100 people use cellular telephones. Write this amount as a fraction. Then write the fraction as a decimal. At a reunion, 14-s- blueberry pies were eaten. Write the amount of pies as a decimal. 14.625 100’ mile on Tuesday JVOTING In a recent school election, 208 of the 325 freshmen voted in their class and 1+ miles on Wednesday. Write each election. Write the fraction of freshmen distance as a decimal. 0.9375; 1.25 who voted. Then write the fraction as a decimal. .!. 0 64 5. RUNNING Tora ran 325’ 80 Course I Chapter 5 integers and the Coordinate Plane ________ NAME DATE PERIOD Lesson 5 Problem-Solving Practice Compare and Order Rational Numbers 1. FLORIST Paige wants to sell a certain number of roses each month. The difference between her goal and her actual sales is shown. Order the differences from least to greatest. Month Difference SlENE A scientist recorded the differences in weights of mice after a change in the diet and exercise routine. The differences were: ounce, 0.23 ounce, —0.4 ounce, and ounce. — 1 Order the differences from least to greatest. January —0.4, 0.23, February 6.8 March 2* April —‘ —1.7 —1.Z 2*, 6.8 JTIMES The difference in the runners’ goals and their actual times is shown. Order the numbers from least to inch, Kayla’s plant grew 0.4 inch, and greatest. —3.2, 1.43 —21, inch. Order Mirenda’s plant grew 3. PLANTS In one week, Kateira’s plant grew 0.58 inch, Stefano’s plant grew -- the amounts from least to greatest. 0.4, Difference Runner 0.58 Sean —3.2 , , OQ 6 Lacey 1-C, 3 Maura C Amos 5. MOVIE Each homeroom recorded the difference in costs for making a movie from their budget. Which homeroom exceeded their budget the most? 1,43 \9PlCTURES A photographer records the amount he changes his shutter speed for each photo he takes. The changes and 1.4. Order the are —1.5, 1, changes from least to greatest. —, Homeroom Difference A 104+ B —56.40 C 104* D —32.50 —t5, —-j, ij, t4 t 3 C 0Q C e C C C 3 Homeroom C 82 3 Course I Chapter 5 Integers and the Coordinate Plane ________ NAME DATE PERIOD Lesson 6 Problem-Solving Practice The Coordinate Plane MAPS For Exercises 1—4, use the map shown below. The X’s indicate buried treasure. iJiid] r) ) “ ) 1 1’ x . ..—‘‘ k. ,ci L -, —, ,_‘-.-_- ( x / ,.s’ 1. What are the coordinates of the northernmost treasure? (0°, 75°N) —Th 1 r.J (What are the coordinates of the westernmost treasure? (120°W, 15°S) C, © 3. What are the coordinates of the treasure located on its own island? (120°E, 45°S) GWhat are the coordinates of the treasure closest to the northernmost treasure? (60°E, 60°N) *0 C *0 C 5. On a map, Luisa placed her school at (0,0) and her home at (—3,4). Which quadrant is the point representing her home located in? Quadrant It GOn the same map, Luisa placed her friend Manny’s house at (2, —5). Which quadrant is the point representing Manny’s house located in? Quadrant IV 84 Course 1 • Chapter 5 Integers and the Coordinate Plane 0 C C a C 0 ________ NAME DATE Lesson PERIOD 7 Problem-Solving Practice Graph on the Coordinate Plane MONEY For Exercises 1-4, use the table and the coordinate plane. School buttons sell for $2 each, When you have completed the table and the graph, both the table and graph will show the costs of purchasing up to 5 school buttons. yaxis Number of Buttons Sold 1 2 2 4 3 6 4 8 10 5 zJ Price($) : ço origin 23 1. Complete the second column of the table by writing the cost of each number of buttons. xaxis 373; 10 Make a list of ordered pairs from the table. (1, 2), (2, 4), (3, 6), (4, 8), (5, 10) See table above. n a (p 3. Graph the ordered pairs. Label each Describe the coordinate plane that you point with its ordered pair. Describe the have completed. How is it different graph of the points, from other systems you have used? See graph above. The points appear to fall in a line, a Sample answer: It uses positive integers only and extends on both axes to +10 points; it has only one quadrant. a 5. TRACK If it takes Trixie 8 minutes to run a mile, then 8m represents her total time where m is the number of miles she has run. List the ordered pairs (number of miles, total time) for 0, 1, 2, and 3 miles. If you were to graph the ordered pairs from Exercise 5, what would their graph look like? They are all in a straight line. (0, 0), (1, 8), (2, 16), (3, 24) 86 Course 1 • Chapter 5 Integers and the Coordinate Plane a a a