Addition Review

Is the sum even or odd?
5 + 8

• even
• odd

Is the sum even or odd?
6+4

• even
• odd

Is the sum even or odd?
9+8

• even
• odd

Is the sum even or odd?
7+6

• even
• odd

Which number sentence shows the Commutative Property of Addition?

• 14 + 8 =22
• 8 + 14 = 14+ 8
• 5 + 0 = 5

What number do all of the following numbers round to when rounded to the nearest hundred?
250        283        342

• 100
• 200
• 300
• 400

Stack.  Round. Then add.
    467   +    342

• 800
• 700
• 900

Stack.  Round.  Then add.
309   +   335

• 800
• 600
• 700

Round to the nearest ten.
65

• 60
• 50
• 70

Round to the nearest ten.
21

• 10
• 20
• 30