Show:
Using Base 10 Blocks
Using Number Bonds
Touch Math
Make 10 strategy
Regrouping!
100

4+7=

11

100

9=4+?

5

100

8+2=

10

100

9+5=

14

100

234+567

801

200

13+8=

21

200

23=7+?

16

200

13+5=

18

200

11+9=

20

200

345+632

977

300

22+24=

46
300

90=30+?

60

300

2+6=

8

300

29+31=

60

300

967+680

1647

400

347+57

404

400

102=50+?

52

400

13+7=

20

400

269+31=

300

400

1320+457

1777

500

569+123=

692

500

888=666+?

222

500

37+3=

40

500

221+179=

400

500

1001+1005

1006