Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Name _________________________________________ Unit 3 Review Decimals, Fractions, and Percentages You may not use a calculator for any on the test, so do not use a calculator on the review. You will need to be able to read, write, estimate, order, add, and subtract decimals and fractions. 1. Write the correct number name for: seventy-seven and seven hundredths ____________________________________ 2. Write the correct word name for: 50.09 _____________________________________________________________ 3. Write the decimals in order from least to greatest: 0.0241 1.240 0.0124 0.1 1.42 ________________________________________________________________ 4. Choose the correct number name for: three and ninety-one hundredths. a. b. c. d. 3.901 3.91 3.091 391 5. Choose the correct word name for: 61.07 a. b. c. d. Sixty-one thousandths Six thousand one hundred seven Sixty-one and seven tenths Sixty-one and seven hundredths 6. Choose the letter of the decimal fractions that are written in order: a. b. c. d. 0.36, 6.03, 0.36, 3.06, 3.06, 3.06, 0.63, 0.36, 0.63, 0.63, 3.06, 0.63, 6.03 0.36 6.03 6.03 7. Estimate each decimal to the nearest tenth a. b. c. d. 2.35 4.05 10.36 2.019 ____________ ____________ ____________ ____________ 8. Estimate the total of the decimals in question 7:_________________ Solve: 9. 96.23 - 36.45 = 10. 15.079 + 6.21= 11. 1 ¼ + 2/8= 12. 9/10 – 2/5 = You will have to multiply, divide, and model multiplication of decimals. You will also have to solve multiplication and division word problems. 13. 12.5 x 4 = 14. 36.5 x 2 = 15. Model 4 x 0.22 in the squares below 16.Antonino ran 12.5 meters a day. He ran for 7 days. How many meters did Antonino run? 17. Karyn needs 0.9 inches of tape to put up each poster in her room. She has 5 posters. Model how much tape Karyn will need for all 5 posters. 18. Mrs. Gangloff has 24.2 yards of bulletin board paper. She has 4 bulletin boards. If each bulletin board was the same size, how much paper will each bulletin board get? 19. Mrs. Smith made a Valentine’s Day card using 16 centimeters of construction paper. Her card will be 2.3 centimeters times bigger than Mrs. Gangloff’s card. How big will Mrs. Smith’s card be? ____________ a. Show your work: You will have to find the percent of a number and solve word problems with percents. 20. What is 30% of 35? 21. What is 50% of 48? 22.What is 25% of 16? 23. Richard ate 40% of the pieces of pizza. There were 60 pieces of pizza. How many pieces of pizza did Richard eat? 24. There are 40 marbles in the jar. 25% of the marbles are blue. How many marbles are blue? 25. Mrs. Gangloff had 2 cups of marbles that contains 1 ½ red marbles. What percentage of the marbles is red? (Hint: draw a number line or a measuring cup) 26. Yves has 1 ½ a bag of popcorn and Anthony has 2/8 a bag of popcorn. How much popcorn would they have if they combined their popcorn bags? You will have to add, subtract, multiply, and divide whole numbers. 27. 6, 954 + 589 30. 12, 000 - 854 31. 4,785 x 216 28. 12, 999 + 218 32.Rewrite and solve 9325÷10 29. 8, 000 - 512 33.Rewrite and solve 5985÷15 You will need to write equivalent fractions, change improper fractions to mixed numbers, change mixed numbers to improper fractions, and order fractions. 34.For each fraction: Write an equivalent fraction, decimal and a percent a. ¼ _____________ _____________ _____________ b. ½ _____________ _____________ _____________ c. ¾ _____________ _____________ _____________ 35.Write an improper fraction for mixed number: a. 5 ¼ ____________ 6 ½ ____________ 7 ¾ ____________ 36.Write an mixed number for each improper fraction: a. 11/4 _________ 30/5 ___________ 13/6 ___________ 37. Place each of the fraction and mixed number on the number line (Be sure to mark the number line with the correct breaks to find the close to exact location) 12/6 0 1¼ ¼ 3/8 1 Explain how you chose to place 12/6 on the number line. 2 38. Complete the chart for the missing equivalent forms of the number. Decimal Fraction Common Fraction Percent .75 Model 0 1 ½ 20% Challenge Review: Any student can try the challenge, but all Maryland Terps must complete the challenge portion. Simplify each expression: (solve and simplify if necessary) 38. (5.25) (3.5) 39. 35.42 ÷0.7 40.Circle the fraction that is not equivalent to 0.6? a. 6/10 b. 3/5 c. 1/6 d. 18/30 41.Write each fraction or mixed number as decimal. a. 1/10___________ b. 4/9 ___________ c. 3 ½ ____________ 42. Katherine babysits for $6.50 an hour. She babysits for 4 ¼ hours. How much money does Katherine make? __________________________ 43.Write the ratio as a percent: a. (Hint: change to a fraction, then decimal) 2:5 = ______________% 44. 19 out of 35 students in the class are girls. What is the ratio of boys in the class? ___________________ 45. 24 out of 30 students take the bus home from school a. What is the ratio of students who ride the bus compared to those who do not ride the bus? ______________ 46. Carly has 4 ½ cups of marbles. She wants to give her friends each ¼ cup of marbles. a. How many friends can Carly share her marbles with? b. Show your work: 47.Find the value of each expression. Express in simplest form. 4 1 = 5 ÷ 10 1 31 6 x 2 = 5 1 13 - 3 1 3= 48. Order the numbers below in order from least to greatest: 2.06 ½ 0.4 1.5 1 1/5 49. Evaluate eh following expressions if n = ¼ and x = 0.2 ½ ( 10-n) 4x + 2.36 50.Jordan needs 1 ¼ feet of wood to make a box and 1 5/6 feet of wood to make a chair. A foot of wood costs $3.50. a. What is the total cost of wood for the box and the chair? b. Show your work.