Show:
1
2
3
4
100

What number represents the sum?

30 + 20 = 50

50

100

5 + 4 = 

9

100

4 + 9

13

100

3 + 3

6

200

What represents the addends?

2 + 4 = 6

2 and 4

200

10 + 11

21

200

5 + 2

7

200

7 + 7

14

300

List the addends

22 + 8 = 30

22 and 8

300

4 + 7 =

11

300

8 +8

16

300

9 + 9

18

400

List the sum.

22 + 100 = 122

122

400

100 + 100

200

400

10 + 10

20

400

6 + 6

12

500

What are the addends?

100 + 35 = 135

100 and 35

500

200 + 100

300

500

300 + 200

500

500

700 + 20

720