Chapter 2

Addition Properties

100

Identify the addition property

55 + 0

Identity Property

200

Identify the addition property

3 + 2

2 + 3

Commutative Property

300

Identify the addition property

4 + (6 + 2)

(4 + 6 ) + 2

Associative Property

400

Identify the addition property

5 + 0

Identity Property

500

Identify the addition property

4 + 9

9 + 4

Commutative Property

Rounding

100

Estimate. Round to the greatest place value

37 + 14 = 

50

200

Estimate. Round to the greatest place value

12 + 18

30

300

Estimate. Round to the greatest place value

15 + 45

70

400

Estimate. Round to the greatest place value

120 + 199

300

500

Estimate. Round to the greatest place value

250 + 310

600

Adding

100

Find the sum

158 + 223

381

200

Find the sum

42 + 29

71

300

Find the sum

362 + 428

790

400

Find the sum

598 + 256

854

500

Find the sum

1,312 + 566

1,878

Patterns

100

Which number is 1 more than 346?

347

200

Which number is 10 more than 256?

266

300

Which number is 100 more than 2,748?

2,848

400

Which number completes the number sentence?

8,263 + ______ = 9,263

1,000

500

Michael has a score of 2,625 on the first level of his video game. On the second level, his score is 3,625. Complete the number sentence

2,625 + _________ = 3,625

1,000