Chapter 2 Review

What are the 3 properties of addition?

• Hot dog property

  pizza property

  chocolate property

• Identity property

  Commutative property

  Associative property

• Define property

  Commute property

  Associative property

Finish the addition sentence

565+0=

• 0

• 56

• 565

Finish the sentence using one of the properties

1+(8+2)=

• (1+8)+2

• 2+(8+7)

• (2+8)+1

Finish the sentence with one of the properties

112+34=

• 112+4

• 1+1+2+3+4

• 34+112

Estimate. Round each addend to the greatest place value.

25+32

• 45

• 60

• 12

Estimate. Round each addend to the greatest place value.

56+43

• 100

• 47

• 7,934

167+_____=267

• 10

• 100

• 1,000

1,978+_______=2,978

• 10

• 100

• 1,000

When adding, what place do you start adding in?

• ones

• tens

• hundreds

• thousands

What do you do when the answer to the addends in the ones place equal 10 or more?

• Use parenthesis

• Regroup

• Move to the next problem