doubles+1
doubles+2
bridge to ten
plus 1,2,3
doubles

100

5+6=
What is 11

100

1+3
What is 4

100

9+6=
What is 15

100

3+1=
What is 4

100

1+1=
What is 2

200

6+7=
What is 13

200

2+4=
What is 6

200

8+4=
What is 12

200

2+4=
What is 6

200

3+3=
What is 6

300

1+2=
What is 3

300

3+5=
What is 8

300

7+5=
What is 12

300

2+6=
What is 8

300

6+6=
What is 12

400

7+8=
What is 15

400

6+8=
What is 14

400

5+8
What is 13

400

3+6=
What is 9

400

7+7=
What is 14

500

9+10
What is 19

500

9+11
What is 20

500

2+9
What is 11

500

3+7=
What is 10

500

9+9=
What is 18