Chapter 10 Review

Parts of a Whole

100

#1 GO Math Book

1/4 + 3/4 = 4/4 or 1 whole quart 

300

#9 GO Math Book

To add two fractions, the whole must be the same size. Since the models are not the same size, the one-fifth size parts are not the same size. So, the models cannot be used to find the sum of 1/5 + 3/5

500

#11 GO Math Book

1/5 + 2/5 = 3/5

Adding/Subtracting Mixed Numbers

100

#3 GO Math Book

: Find 5 3/4 – 1 1/4 . Subtract the fractions first: 3/4 – 1/4 = 2/4 . Then subtract the whole numbers: 5 – 1 = 4. The difference is 4 2/4 , so Tricia used 4 2/4 feet of masking tape to make the design.

300

#10 GO Math Book

(A) Joe renamed 4/3 as 3/3 instead of 3/3 + 1/3 . So, he grouped 3/3 with the wholes as 1 whole but did not add 1/3 to the wholes.

(B) 8 1/3 yard

500

GO Math 15 (A & B)

True

False

Using Models

100

#12 GO Math Book

1/4 Mile Farther

300

#4 GO Math Book

(A) 8/10

(B) 5/10 of the fairground... explanation please!

500

#6 GO Math Book 

10/12

The numerator shows the total number of twelfth-size parts shaded. The denominator shows the size of the parts

Properties of Addition

100

#2 GO Math Book

6 2/3

300

Use the properties and mental math to find the sum:

(6 3/6 + 10 4/6 ) + 9 2/6

26 3/6 or 26 1/2

500

#7 GO Math Book

Associative

Commutative

Commutative

Associative

Word Problems

100

#5 GO Math Book

2/8

300

#13 GO Math Book

5/8

500

#14 GO Math Book

1/6