Fraction Quiz Review Mrs. Kelly 5 th Grade January 2015

Fraction Quiz ReviewFraction Quiz Review

Mrs. KellyMrs. Kelly

55thth Grade Grade

January 2015January 2015

Question #1 Define the following:Question #1 Define the following:

DenominatorDenominator FractionFraction

Improper fractionImproper fraction Mixed numberMixed number

Unit fractionUnit fraction

Answer to Question #1Answer to Question #1

Denominator: the total number of equal Denominator: the total number of equal parts of a whole.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 Improper fraction: a fraction whose numerator is greater than or equal to its numerator is greater than or equal to its

denominator.denominator. Mixed number: an expression that contains a Mixed number: an expression that contains a

whole number and a fraction.whole number and a fraction. Unit fraction: a proper fraction whose Unit fraction: a proper fraction whose

numerator is one (1).numerator is one (1).

Question #2Question #2

Identify each item as a proper Identify each item as a proper fraction, improper fraction, fraction, improper fraction,

unit fraction, or mixed unit fraction, or mixed number.number.

a.) a.) b.) b.)

c.) d.) c.) d.)

4

314

4

1

6

13

14

12

Answer to Question #2Answer to Question #2

a.) 14 ¾ - mixed numbera.) 14 ¾ - mixed number

b.) ¼ - proper and unitb.) ¼ - proper and unit

c.) 13/6 – improper c.) 13/6 – improper

d.) 12/14 - properd.) 12/14 - proper

Question #3Question #3

List the five uses of fractions.List the five uses of fractions.

Answer to Question #3Answer to Question #3

To identify parts of a wholeTo identify parts of a whole To identify parts of a setTo identify parts of a set

As a ratioAs a ratio As a division problemAs a division problem

Real-world applicationsReal-world applications

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

568

7 x

x

56

28

14

Answer to Question #4Answer to Question #4

x = 49x = 49

x = 112x = 112

Question #5Question #5

Simplify the following Simplify the following fractions to lowest terms:fractions to lowest terms:

24

16 108

72

Answer to Question #5Answer to Question #5

Answers are…Answers are…

24

16

3

2 108

72

3

2

Question #6Question #6

Change the following mixed Change the following mixed numbers to improper numbers to improper

fractions:fractions:

7

67

5

414

Answer to Question #6Answer to Question #6

Answers are…Answers are…

7

55

7

67

5

74

5

414

Question #7Question #7

Change the following improper Change the following improper fractions to mixed numbers. Make fractions to mixed numbers. Make

sure your answers are in lowest sure your answers are in lowest terms.terms.

16

42 12

68

Answer to Question #7Answer to Question #7

Answers are…Answers are…

8

52

16

102

16

42

3

25

12

85

12

68

Question #8Question #8

Compare the following fractions. Compare the following fractions. Insert the correct symbol (>, <, or Insert the correct symbol (>, <, or

=) to make the sentence true.=) to make the sentence true.

4

33_______

10

73

21

18________

22

18

Answer to Question #8Answer to Question #8

Both answers are <!Both answers are <!

Question #9Question #9 Write “True” if the fractions are in order Write “True” if the fractions are in order

from least to greatest or “False” if they from least to greatest or “False” if they are not.are not.

a.) , , a.) , ,

b.) , , b.) , , 5

4

5

4

11

5

11

5

7

6

7

6

Answer to Question #9Answer to Question #9

a.) Falsea.) False

b.) Trueb.) True

Question #10 Question #10

Explain in complete sentences Explain in complete sentences how you compare proper how you compare proper fractions with the same fractions with the same

numerator. Use an example numerator. Use an example to explain your thinking.to explain your thinking.

Answers to Question # 10Answers to Question # 10

If proper fractions have the If proper fractions have the same numerator you can tell same numerator you can tell which one is smaller by the which one is smaller by the denominator. The fraction denominator. The fraction with the smaller denominator with the smaller denominator is the larger fraction. For is the larger fraction. For example: example: 7

4

5

4

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

terms.terms.

8

6

8

6.)a

20

12

20

16.)b

16

28

16

1012.)c

Answers to Question #11Answers to Question #11

Answers are…Answers are…

2

11

8

41

8

12

8

6

8

6.) a

5

1

20

4

20

12

20

16.) b

2

14

16

84

16

28

16

1012.) c

Question #12 – Solve the following Question #12 – Solve the following word problems. Make sure your word problems. Make sure your answers are in lowest terms. answers are in lowest terms.

Matilda added cups of sugar and Matilda added cups of sugar and cups of flour to a recipe to make cookies. cups of flour to a recipe to make cookies. How many cups of sugar and flour did How many cups of sugar and flour did Matilda put in her cookie recipe?Matilda put in her cookie recipe?

Roberto walked miles to the park Roberto walked miles to the park and then walked miles to the ice and then walked miles to the ice cream store. How much farther did cream store. How much farther did Roberto walk to the park than the ice Roberto walk to the park than the ice cream store?cream store?

8

5

8

5

10

85

10

62

Answers to Question #12Answers to Question #12

cups4

11

8

21

8

10

8

5

8

5

miles5

13

10

23

10

62

10

85

Question #13Question #13

Find the prime factorization Find the prime factorization of 360 using subsequent of 360 using subsequent

division.division.

AnswerAnswer

The prime factorization of 360 isThe prime factorization of 360 is

22 x 2 x 2 x 3 x 3 x 5OR

23 x 32 x 5

Question #14Question #14

What number is being What number is being represented by the following represented by the following

prime factorization?prime factorization?

2233 x 3 x 322 x 7 x 722

AnswerAnswer

The number being The number being represented by the prime represented by the prime

factorization wasfactorization was

3,5283,528

Question #15Question #15

Find the GCF (greatest Find the GCF (greatest common factor) and LCM common factor) and LCM

(least common multiple) of (least common multiple) of each pair of numbers.each pair of numbers.

a. 60 and 80a. 60 and 80

b. 19 and 57b. 19 and 57

AnswersAnswers

a. GCF is 20 and LCM is a. GCF is 20 and LCM is 240240

b. GCF is 19 and LCM is b. GCF is 19 and LCM is 5757

Question #16Question #16

Megan works out at Lifetime Fitness Megan works out at Lifetime Fitness Center on a regular basis. Every 4Center on a regular basis. Every 4thth day she runs on the treadmill. Every day she runs on the treadmill. Every 66thth day she swims laps in the pool. day she swims laps in the pool.

How many times during the last six How many times during the last six months (180 days) did Megan run on months (180 days) did Megan run on

the treadmill and swim laps in the the treadmill and swim laps in the pool?pool?

AnswerAnswer

First find the LCM between 4 and 6 First find the LCM between 4 and 6 which is which is 1212..

Then divide 180 by 12 and you will Then divide 180 by 12 and you will get that Megan ran on the treadmill get that Megan ran on the treadmill and swam laps in the pool and swam laps in the pool 15 times15 times over the last six months or 180 days.over the last six months or 180 days.

YOU DID IT!YOU DID IT!

Did you answer most of the questions Did you answer most of the questions correctly?correctly?

If you did, CONGRATULATIONS! Study and If you did, CONGRATULATIONS! Study and practice some more tonight and you will be practice some more tonight and you will be ready for the Fraction Quiz tomorrow!ready for the Fraction Quiz tomorrow!

If not, OKAY, but you still need some more If not, OKAY, but you still need some more practice and probably should have come for practice and probably should have come for extra help! Don’t wait too long the next time!extra help! Don’t wait too long the next time!