Subtraction, Subtraction, Subtraction

Two-Digit Subtraction

100

45-21

24

200

75-15

60

300

66-41

25

400

54-24

30

500

28-13

15

Two-Digit Addition

100

22+51

73

200

13+46 

59

300

25+51

76

400

24+34

58

500

79+21

100

Two-Digit Subtraction

100

24-12

12

200

37-14

23

300

57-31

26

400

79-44

35

500

98-71

27

Subtraction

100

29-21

8

200

16-3

13

300

13-8

5

400

77-25

52

500

98-92

6

Difficult Addition

100

26+34

60

200

13+14

27

300

56+62

118

400

123+154

277

500

7,654+1,234

8,888