Addition and Subtraction Review

Which equation represents the Associative Property?

• 6 + 3 = 3 + 6

• 9 + (5 + 8) = (9 + 5) + 8

• 25 + 0 = 25

• 3 - 3 = 0

Which equation represents the Commutative Property?

• 3 + 4 = 4 + 3

• 13 - 0= 13

• 6 + (7 = 8) = (6 + 7) + 8

• 12 + 0 = 12

Choose the missing addend. 48 + (16 + 5) = 48 + ( ____ + 5)

• 5

• 0

• 48

• 16

123 + _____ = 175

• 30

• 32

• 33

• 52

Estimate the sum by rounding to the nearest hundred. 1,234 + 3, 378

• 4500

• 4800

• 4000

• 4600

Estimate the difference by rounding to the nearest thousand. 35,782 - 12,565 = _________

• 23,217

• 27,000

• 23,000

• 20,000

45,311 + ______ = 46,311

• 100

• 1,000

• 10,000

• 10

10,000 less than 12,346

• 11,236

• 22,346

• 2,346

• 12,246

47,248 + 36,185 = ______

• 73,323

• 73,433

• 83,433

• 84,433

27,046 + 9,427 = __________

• 36,473

• 36,563

• 36,573

• 37,463