Chapter 2 Math Review

Vocab

100

What is a number sentence that has an equal sign called?

a. Estimate

b. Equation

c. Fact Family

Equation

200

What word means "to figure a close answer"?

A. Estimate

B. Round

C. Add

Estimate

300

What are related addition and subtraction facts called?

A. Pictographs

B. Fact Families

C. Equations

Fact Families

400

The sum of zero and any number is still that number is the ______ property of addition. 

a. Zero

b. Grouping

Zero

500

Changing the group of addends does not change the sum is called the _____ property of addition.

a. Zero

b. Grouping

Grouping

Single Digit

100

88 + 9 =

97

200

39 + 6 = ?

45

300

24 + 8 = ?

32

400

78 + 8 = ?

86

500

98 + 7 = ?

105

Column Addition

100

38 + 62 + 40 = ?

140

200

68 + 12 + 45 = ?

125

300

96 + 17 + 12 = ?

125

400

24 + 88 + 35 = ?

147

500

26 + 69 + 82 = ?

177

Triple Digit

100

218 + 435 = ?

653

200

256 + 894 = ?

1,150

300

103 + 657 = ?

760

400

865 + 203 = ?

1,068

500

450 + 379 = ?

829

Estimate

100

Estimate 348 + 234 = ?

500

200

Estimate 201 + 756 = ?

1,000

300

Estimate 46 + 87 = ?

140

400

Estimate 391 + 524 = ?

900

500

Estimate 998 + 612 = ?

1, 600