Fraction Quiz Review Mrs. Kelly 5 th Grade January 2015

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

Answer to Question #1 Denominator: the total number of equal parts of a whole. Denominator: the total number of equal parts of a whole. Fraction: one or more 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. 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. Mixed number: an expression that contains a whole number and a fraction. Unit fraction: a proper fraction whose numerator is one (1). 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. Identify each item as a proper fraction, improper fraction, unit fraction, or mixed number. a.) b.) a.) b.) c.) d.) c.) d.)

Answer to Question #2 a.) 14 ¾ - mixed number b.) ¼ - proper and unit c.) 13/6 – improper d.) 12/14 - proper

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

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

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

Answer to Question #4 x = 49 x = 49 x = 112 x = 112

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

Answer to Question #5 Answers are…

Question #6 Change the following mixed numbers to improper fractions: 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. 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. Write “True” if the fractions are in order from least to greatest or “False” if they are not. a.),, a.),, b.),, 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: 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. Make sure your answers are in lowest terms.

Answers to Question #11 Answers are…

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? 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? 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

Question #13 Find the prime factorization of 360 using subsequent division.

Answer The prime factorization of 360 is 2 2 x 2 x 2 x 3 x 3 x 5 OR 2 3 x 3 2 x 5

Question #14 What number is being represented by the following prime factorization? 2 3 x 3 2 x 7 2

Answer The number being represented by the prime factorization was 3,528

Question #15 Find the GCF (greatest common factor) and LCM (least common multiple) of each pair of numbers. a. 60 and 80 a. 60 and 80 b. 19 and 57

Answers a. GCF is 20 and LCM is 240 b. GCF is 19 and LCM is 57

Question #16 Megan works out at Lifetime Fitness Center on a regular basis. Every 4 th day she runs on the treadmill. Every 6 th day she swims laps in the pool. How many times during the last six months (180 days) did Megan run on the treadmill and swim laps in the pool?

Answer First find the LCM between 4 and 6 which is 12. First find the LCM between 4 and 6 which is 12. Then divide 180 by 12 and you will get that Megan ran on the treadmill and swam laps in the pool 15 times over the last six months or 180 days. Then divide 180 by 12 and you will get that Megan ran on the treadmill and swam laps in the pool 15 times over the last six months or 180 days.

YOU DID IT! Did you answer most of the questions correctly? 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 tomorrow! If you did, CONGRATULATIONS! Study and practice some more tonight and you will be ready for the Fraction Quiz tomorrow! 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! 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!