Chapter 2 Review

Identify the addition property.

0 + 342 = 342

• Associative

• Commutative

• Identity

Identify the addition property.

(7 + 3) + 8 = 18

7 + (3 + 8) = 18

• Identity

• Associative

• Commutative

Estimate. Round each addend to its greatest place value.

82 + 17 =

• 100

• 99

• 90

• 89

Estimate. Round each addend to its greatest place value.

591 + 308 =

• 800

• 899

• 900

• 999

Find the sum.

749 + 232 =

• 971

• 981

• 1000

• 1081

Find the sum.

606 + 784 =

• 1000

• 1290

• 1380

• 1390

The local animal shelter found homes for 124 cats and 97 dogs last year. How many animals did they find homes for altogether?

• 100

• 200

• 221

• 321

Estimate. Round each addend to the tens place.

98 + 47 =

• 150

• 140

• 130

• 160

Estimate. Round each addend to the hundreds place.

938 + 576 =

• 1520

• 1500

• 1400

• 1600

Estimate. Round each addend to the hundreds place.

7095 + 1775 =

• 8900

• 9000

• 9100

• 10000