Show:
Subtraction
Addition
Missing Addends
Subtraction w/ Regrouping
Multiples of Ten
100

65-32=

33

100

30+35= 

65

100

3+___= 20

17

100

76-9=

67

100

5+5+10

20

200

51-30= 

21

200

58+21=

79

200

20+___=26

6

200

66-28 = 

38

200

20+10+7

37

300

79 - 42= 

37

300

21+19=

40

300

18= 9+ ___

9

300

63-18=

45

300

8+10+10

28

400

84-43=

41

400

35+57= 

92

400

15+___= 35

20

400

82-39=

43

400

10+5+15

30

500

55-20 = 

35

500

27+47

74


500

10+ ___= 39

29

500

55-27 = 

28

500

30+15+20

65