Addition

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Questions Responses

+4

+4

+4 and +5

+5

+5

100

4+0

4

100

4+1

5

100

4+10

14

100

5+0

5

100

5+1

6

200

4+2

6

200

4+3

7

200

4+11

15

200

5+2

7

200

5+3

8

300

4+4

8

300

4+5

9

300

4+12

16

300

5+4

9

300

5+5

10

400

4+6

10

400

4+7

11

400

5+10

15

400

5+6

11

400

5+7

12

500

4+8

11

500

4+9

13

500

5+11

16

500

5+8

13

500

5+9

14