Adding by 1s

Adding by 1s

Adding by 2s

3

4

Doubles

100

2 + 1

What is 3?

100

2 + 2

What is 4

100

3 + 1

What is 4

100

4 + 1

What is 5

100

1 + 1

What is 2

200

3 + 1

What is 4

200

3 + 2

What is 5

200

3 + 2

What is 5

200

4 + 3

What is 7

200

3 + 3

What is 6

300

4 + 1

What is 5?

300

5 + 2

What is 7

300

3 + 5

What is 8

300

4 + 4

What is 8

300

5 + 5

What is 10

400

7 + 1

What is 8

400

8 + 2

What is 10

400

3 + 7

What is 10

400

4 + 6

What is 10

400

8 + 8

What is 16

500

9 + 1

What is 10

500

9 + 2

What is 11

500

3 + 9

What is 12

500

4 + 9

What is 13

500

9 + 9

What is 18

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