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Fractions Mid-Unit Assessment Study Guide

Fractions Mid-Unit Assessment Study Guide. 1. . 30% of the 6h grader class at LSL turned in their money to go on a field trip next Wednesday. What fraction represents the number of students that had turned in their money?. 30% turned in money ?? Fraction represents 30% . 1.

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Fractions Mid-Unit Assessment Study Guide

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  1. Fractions Mid-Unit Assessment Study Guide

  2. 1. • 30% of the 6h grader class at LSL turned in their money to go on a field trip next Wednesday. What fraction represents the number of students that had turned in their money? • 30% turned in money • ?? Fraction represents 30%

  3. 1. • 30% means 30% of 100% • This can be written as a ratio or fraction of 30/100

  4. 2. What decimal represents the number of students that has not yet turned in their money for the field trip? 30% turned in money So that means 70% have NOT turned in their money. 70/100 0.70 • Decimal • # of students that have NOT turned in money

  5. 3. • Mr. Bishop has 28 students in one class and 32 students in another class. He wants to divide both classes into small groups for their Science experiment next week. Which of the following could be the number of students in each group • 28 students • 32 students • Divide both small groups • ?? Could be # students in each??

  6. 3. • 28 students • 32 students • Divide both small groups • ?? Could be # students in each?? • Look for a common factor • 28: 1 x 28, 2 x 14, 7 x 4 • 32: 1 x 32, 2 x 16, 4 x 8 • Remember a common factor is shared by both products! • The common factors of 28 and 32 are: 1, 2, and 4 • Look at your answer choices • 3 – not a common factor • 6 – not a factor at all • 7 – not a common factor • 4 ** Here’s your answer

  7. 4. • David bought a soccer ball on sale for $35, which was 1/3 off the original price. What percent represents the discount David received? • Sale $35 • 1/3 off original • ?? Percent is discount ??

  8. 4. • Sale $35 • 1/3 off original • ?? Percent is discount ?? • Discount is 1/3 • 1 divided by 3 • 33%

  9. 5. • Write a decimal that represents 11/3. • 11/3 • ?? Write a decimal?? • 11 divided by 3 = 3.66

  10. 6. • Find the least common multiple of 3, 6 and 8 • Find multiples of each number • 3: 3, 6, 9, 12, 15, 18, 21, 24 • 6: 6, 12, 18, 24* • 8: 8, 16, 24* • The smallest common multiple is 24

  11. 7. • Write 3 and 1/8 as an improper fraction and draw a model (picture) to prove your answer. • 3 and 1/8 • 3 WHOLE parts • 1/8 part • The only denominator I see is 8, so your drawings need to be divided into 8 pieces.

  12. 7. 3 Wholes 1/8 8/8 16/8 25/8 24/8

  13. 8. • Write the following as a decimal and a fraction. • 56% • 75% • 31% • 98% • 56% • 56/100 • 0.56 • 75% • 75/100 • 0.75 • 31% • 31/100 • 0.31 • 98% • 98/100 • 0.98

  14. 9. • Raven is planning her birthday party. She is buying cupcakes and cokes. Cupcakes come in packages of 8 and cokes come in packages of 12. What is the smallest number of packages of each item that Raven could have bought and still have the same number of cupcakes and cokes? • Cupcakes – pkg 8 • Cokes – pkg 12 • ?? Smallest # pkg of EACH and have same #

  15. 9 • Cupcakes – pkg 8 • Cokes – pkg 12 • ?? Smallest # pkg of EACH and have same # • Look for LCM • 8: 8, 16, 24 • 12: 12, 24 • 3 packages of cupcakes and 2 packages of coke

  16. 10. • Write the decimal and percent for the following fractions: • 4/7 • ¾ • 2/5 • 7/9 • 4/7 • 0.57 • 57% • ¾ • 0.75 • 75% • 2/5 • 0.4 • 40% • 7/9 • 0.77 • 77%

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