Doubles Game!

Doubles

100

Double 4 equals?

8

200

Double 15 equals?

30

300

Double 100 equals?

200

400

Double 150 equals?

300

500

What makes a double?

- Both addends are the same in an equation.

-Every cube has a partner

-The term "double" is total

- Count on from the first group to find the total

Near Doubles

100

Can you find a double in a near doubles fact? How do you know?

Yes, because the near double will always be 1 or 2 numbers/addends greater than the double.

200

Can you find a double in this equation? if so, what is the double?

4+5=9

Yes, double 4!

300

Can you find a double in this equation? if so, what is the double?

4+6=10

4+4=8

I know that 10 is 2 more addends than 8.

400

Can you find a double in this equation? if so, what is the double?

5+6=11

5+5= 10

I know that 11 is one more than 10.

500

What is a near double?

-One added is 1 or 2 numbers greater  than the other addend.

-Use 1 model to solve both facts.

Plus One Power

100

1 + 1 = 2, so 1 + 2 = ?

3

200

3 + 3 = 6, so 3 + 4 = ?

7

300

5 + 5 = 10, so 5 + 6 =?

11

400

5 + 5 = 10, so 5 + 7 = ?

12

500

3 + 3 = 6, so 3 + 5 = ?

8