math for kindergarten

adding

100

2+2

4

200

3+3

6

300

4+4

8

400

5+5

10

500

6+6

12

subtracting

100

1-1

0

200

2-1

1

300

3-1

2

400

4-1

3

500

5-1

4

adding harder

100

2+5

7

200

3+4

7

300

6+4

10

400

3+2

5

500

6+2

8

subtracting harder

100

4-2

2

200

6-3

3

300

9-3

6

400

5-4

1

500

6-2

4

bonus

100

0+1

1

200

2+5

7

300

5-3

2

400

6-5

1

500

3-2

1