Topic 8 Math Review

Topic 8 Math Review

by Nicole Heitland

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Multiple Choice

Which shows the commutative property of addition? 

• 28 + 41 = 41 + 28

• 50 + 0 = 50

• (31 + 5) + 20 = 31 + (5 + 20)

Multiple Choice

Which shows the identity (zero) property of addition? 

• 28 + 41 = 41 + 28

• 50 + 0 = 50

• (31 + 5) + 20 = 31 + (5 + 20)

​Parentheses show what to do first!!!

Multiple Choice

Which shows the associative property of addition? 

• 28 + 41 = 41 + 28

• 50 + 0 = 50

• (31 + 5) + 20 = 31 + (5 + 20)

​Rounded numbers tell us ABOUT how much or ABOUT how many. We round when we do not need an exact number.

Multiple Select

Choose ALL the equations that are true. 

• 0 + 334 = 334

• 510 + 119 = 119 + 510

• (98 + 167) + 220 = (167 + 220) = 98