Mental Addition Strategies PART 1

6 + 6 = ___

What sort of equation is this?

• Doubles

• Near double

• Make a ten

• Add zero

3 + 2 = ___

What sort of equation is this?

• Near double

• Double

• Make a ten

• Add zero

4 + 10 = ___

What sort of equation is this?

• Add zero

• Near double

• Add ten

• Make a ten

7 + 9 = ___

What sort of equation is this?

• Near double

• Add ten

• Add nine

• Make a ten

6 + 4 = ___

What sort of equation is this?

• Add nine

• Add zero

• Doubles

• Make a ten

5 + 0 = ___

What sort of equation is this?

• Doubles

• Near double

• Add ten

• Add zero

7 + 7 = ___

What sort of equation is this?

• Make a ten

• Near double

• Doubles

• Add ten

5 + 6 = ___

What sort of equation is this?

• Near double

• Add zero

• Add nine

• Make a ten

5 + 10 = ___

What sort of equation is this?

• Make a ten

• Add ten

• Add zero

• Near double

8 + 9 = ___

What sort of equation is this?

• Add zero

• Add nine

• Make a ten

• Doubles