Basic math facts
Add within 100
Subtract within 100
Add within 1000
Subtract within 1000
100

8+2=

10

100

15+19=

34

100

26-12=

14

100

228+101=

329

100

143-120=

23

200

9-4=

5

200

21+33=

54

200

33-21=

12

200

356+241=

597

200

258-136=

122

300

7+7=

14

300

52+34=

86

300

64-42=

22

300

485+214=

699

300

635-421=

214

400

13-4=

9

400

75+15=

90

400

99-57=

42

400

243+64=

897

400

771-561=

210

500

14+6=

20

500

13+87=

100

500

87-48=

39

500

499+442=

941

500

819-775=

44

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