Mrs. Kelly 5th Grade March 2013 Fraction Quiz Review Mrs. Kelly 5th Grade March 2013

Question #1 Define the following: Denominator Fraction Improper fraction Mixed number Unit fraction

Answer to Question #1 Denominator: the total number of equal parts of a whole. Fraction: one or more equal parts of a whole. Improper fraction: a fraction whose numerator is greater than or equal to its denominator. Mixed number: an expression that contains a whole number and a fraction. Unit fraction: a proper fraction whose numerator is one (1).

Question #2 Identify each item as a proper fraction, improper fraction, unit fraction, or mixed number. a.) b.) c.) d.)

Answer to Question #2 a.) 14 ½ - mixed number b.) ¼ - proper and unit c.) 13/6 – improper d.) 12/14 - proper

List the five uses of fractions. Question #3 List the five uses of fractions.

Answer to Question #3 To identify parts of a whole To identify parts of a set As a ratio As a division problem Real-world applications

Question #4 Building fractions to higher terms: Find equivalent fractions for each of the following:

Answer to Question #4 x = 49 x = 112

Simplify the following fractions to lowest terms: Question #5 Simplify the following fractions to lowest terms:

Answer to Question #5 Answers are…

Change the following mixed numbers to improper fractions: Question #6 Change the following mixed numbers to improper fractions:

Answer to Question #6 Answers are…

Question #7 Change the following improper fractions to mixed numbers. Make sure your answers are in lowest terms.

Answer to Question #7 Answers are…

Question #8 Compare the following fractions. Insert the correct symbol (>, <, or =) to make the sentence true.

Answer to Question #8 Both answers are <!

Question #9 Write “True” if the fractions are in order from least to greatest or “False” if they are not. a.) , , b.) , ,

Answer to Question #9 a.) False b.) True

Question #10 Explain in complete sentences how you compare proper fractions with the same numerator. Use an example to explain your thinking.

Answers to Question # 10 If proper fractions have the same numerator you can tell which one is smaller by the denominator. The fraction with the smaller denominator is the larger fraction. For example:

Question #11: Add or Subtract the following fractions Question #11: Add or Subtract the following fractions. Make sure your answers are in lowest terms.

Answers to Question #11 Answers are…

Question #12 – Solve the following word problems Question #12 – Solve the following word problems. Make sure your answers are in lowest terms. Matilda added cups of sugar and cups of flour to a recipe to make cookies. How many cups of sugar and flour did Matilda put in her cookie recipe? Roberto walked miles to the park and then walked miles to the ice cream store. How much farther did Roberto walk to the park than the ice cream store?

Answers to Question #12

YOU DID IT! Did you answer most of the questions correctly? If you did, CONGRATULATIONS! Study and practice some more tonight and you will be ready for the Fraction Quiz Friday! If not, OKAY, but you still need some more practice and probably should have come for extra help! Don’t wait too long the next time!

Answers to Question #13 3,680 ÷ 42 = Estimate: 3,600 ÷ 40 = 90 Actual: 87 26/42 = 87 13/21 4,972 ÷ 8 = Estimate: 4,800 ÷ 8 = 600 Actual: 621 4/8 = 621 ½

Question #14 Solve the following word problems using the 4 Step Problem Solving Plan. Kevin bought 3 CD’s for $15.75 each and a DVD for $24.99 He gave the cashier a $100 bill. How much change did he get?

Answers to Question #14 x = amount of change $100 – ($15.75 x 3 + $24.99) = x $100 – ($47.25 + $24.99) $100 - $72.24 = $27.76 Kevin received $27.76 in change.

The citizens in Livingston are very committed to recycling The citizens in Livingston are very committed to recycling. Every fourth day, the town collects glass bottles for recycling. Every fifth day, the town collects plastic materials for recycling. Every eighth day, the town collects newspapers for recycling. How many times during the first 220 days of 2012 did the town collect glass bottles, plastic materials and newspapers all on the same day? Explain your answer.

Answers to Question #15 4, 8, 12, 16, 20, 24, 28, 32, 36, 40 5, 10, 15, 20, 25, 30 35, 40 8, 16, 24, 32, 40 Every 40th day all three are collected. This happens….40, 80, 120, 160, 200. Therefore, this will happen five times.

Question #16 John volunteered to help pack up books in the library. There were 301 books that needed to be packed up and he could fit 19 books in each box. He estimated that he would need 15 boxes to fit all the books.

Question #16 Circle the letter to the statement that best fits John’s estimation. a. John’s estimate is too high because he only needs 13 boxes to fit all the books b. John’s estimate is too high because he needs 17 boxes to fit all the books. c. John’s estimate is just right because he needs 15 boxes. d. John’s estimate is too low because he needs 16 boxes to fit all the books.

Question #17 – Put an “x” in the box if the example is divisible by the number. 2 3 5 6 9 10 2,070 22,416 2,974 27,000

Answers to Question #17 2 3 5 6 9 10 2,070 x 22,416 2,974 27,000

Create two five-digit numbers that are divisible by: Question #18 Create two five-digit numbers that are divisible by: 3 and 5, but not 2 5 and 6

Answers to Question #18 Answers will vary! Sample answers: 3 and 5, but not 2 – 10,005 and 40,005 5 and 6 – 51,000 and 42,000

Question #19 Write 1,000,000,000,000 using exponents. How many 1,000,000’s are in 10,000,000,000?

Answers to Question #19 Write 1,000,000,000,000 using exponents. How many 1,000,000’s are in 10,000,000,000? ANSWER: 10,000

Question #20 – Round to the indicated place value. 4,699,876,543 to the nearest hundred thousand. 65,786,802 to the nearest hundred million.

Answers to Question #20 4,699,876,543 to the nearest hundred thousand. 65,786,802 to the nearest hundred million. ANSWER: 100,000,000