Topic 7 Fraction Review

Vocabulary

100

The top number in a fraction

Numerator

200

2 fractions that have the same value are known as...

equivalent fractions

300

The name for a fraction where the numerator is larger than the denominator.

Improper fraction

400

0, 1/2, and 1 are all _______.

Benchmark fractions

500

What is the definition of a mixed number?

A whole number and a fraction. The value is greater than 1

Conversions

100

14/2

7

200

3 1/4

13/4

300

169/14

12 1/14

400

24 4/10  as a improper fraction in lowest terms

244/10  ->  122/5

500

500/8 as a mixed number in lowest terms

62 4/8  -> 62 1/2

LCM

100

2 & 10

10

200

8 & 5

40

300

6 & 4

12

400

3 & 9 & 15

45

500

2 & 12 & 20

60

Add/Subtract

100

Solve 

4/5 + 9/15

21/15 or  1 6/15

200

Estimate: 11 33/35 + 14  59/80

12 + 14 1/2 = 26 1/2

300

4 1/2 - 2 4/10

4 5/10 - 2 4/10 = 2 1/10

400

13 8/9 + 21 5/6

13 8/9 + 21 5/6

13 16/18 + 21 15/18

34 31/18 -> 35 13/18

500

14 2/7 - 11 3/4

14 2/7 - 11 3/4

14 8/28 - 11 21/28

13 36/28 - 11 21/28

2 15/28 

Word Problems

100

Jonny went to the store and filled 1/3 of his cart with soda and another 2/5 of his cart with candy. To top it off he filled another 1/5 with cookies. How much of Jonny's cart is full?

1/3 + 2/5 + 1/5 

1/3 + 3/5

5/15 + 9/15 = 14/15 of his cart is full.

200

Mrs. Sultan ate 6/11 of her pizza. Mrs. Stanley ate 3/4 of her same sized pizza. Who ate more pizza? How much more?

Sultan: 24/44

Stanley: 33/44

33-24 = 9

Mrs. Stanley ate 9/44 more pizza than Mrs. Sultan.

300

Estimate:

Cruella made $5000 selling puppies. She spend 1/5 of the money on a new hat. She spent more money on a new fur coat. After her shopping she has $2000 left. About what fraction of her profit did she spend on the coat?

1/2

400

Write an (one) equation for the following word problem. 

Josh needed to write 12 documents during the week. By Wednesday, he only finished 3 1/5 documents. On Thursday, he finished another 5 3/4 documents. If he finished writing all documents by Friday, how much did he write on Friday?

12 - (3 1/5 + 5 3/4) = f

f= Friday documents

500

Josh was packing to move to another office. He packed 3 2/5 boxes on Tuesday and 2 9/10 boxes on Wednesday. After everything was moved to his new office on Wednesday afternoon, he only found 4 1/4 boxes. How many boxes were missing?

3  2/5 + 2  9/10 − 4  1/4 = 2 1/20  or  2 1/20 boxes were missing