properties of addition

Which equation is the same as 8 + 3?

• 8 + 4

• 3 + 8

• 8 - 3

Which equation is the same as 6 + 0?

• 0 + 6

• 6 + 6

• 0 + 0

In this problem, which 2 numbers should you add first?

6 + 8 + 4 =

• 6 and 8

• 6 and 4

• 8 and 4

In this equation, which 2 numbers should you add first?

5 + 5 + 7 =

• 5 and 5

• 5 and 7

• 7 and 7

In this equation, which 2 numbers should you add first?

3+ 3 + 5 =

• 3 and 3

• 3 and 5

Is this true?

6 + 5 = 5 + 6

• yes

• no

Is this true?

5 + 0 = 5 - 5

• yes

• no