Year End Review 2 - in progress

Multiple Addends

100

3 + 3 + 3 + 3

12

200

5 + 5 + 5 + 5 + 10

30

300

27 + 57 + 14

98

400

120 + 220 + 320

660

500

1,000 + 400 + 20

1,420

Compose or decompose

100

36 - 12

24

200

91 - 13

78

300

37 + 45

82