Ch 2 Review (2B)

Find each sum. Identify the addition property.

0 + 342 =

• 342; Associative

• 300; Identity

• 342; Commutative

• 342; Identity

Find each sum. Identify the addition property.

(7 + 3) + 8 = 7 + (3 + 8) =

• 20, Identity

• 18, Associative

• 18, Identity

• 18, Commutative

Estimate. Round each addend to its greatest place value.

82 + 17 =

Estimate. Round each addend to its greatest place value.

591 + 308 =

Find each sum.

749 + 232 =

Find the sum.

606 + 784 =

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

__ animals

Estimate the sum of $98 and $47 by rounding to the tens place.

Estimate the sum of 938 and 576 by rounding to the hundreds place.

Estimate the sum of 7,095 and 1,775 by rounding to the hundreds place.