Addition within 10
Addition within 100
Addition within 1000
Subtraction within 10
Subtraction within 100
100

2+3

5

100

20+20

40

100

106+132

238

100

3-0

3

100

20-10

10

200

3+4

7

200

22+36

58

200

214+135

349

200

2-1

1

200

36-16

20

300

6+8

14

300

33+44

77

300

435+283

718

300

7-4

3

300

76-24

52

400

7+9

16

400

76+80

156

400

387+265

652

400

9-9

0

400

93-45

48

500

9+9

18

500

99+73

172

500

686+304

990

500

9-5

4

500

100-74

26

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