Show:
Subtracting on a
Number Grid
Counting Back on an Open number line (on a dry erase board)
Counting UP on an Open number line (on a dry erase board)
Break apart to subtract
Use ANY strategy to solve
100

Use your number grid to subtract.

53-20=

33

100

56-30=

26
100

50-35=

15

100

35-8=

27

100
45-25=

20

200

Use your number grid to subtract


88-40=-

48

200

73-40=

33

200

28-20=

8

200

43-9=

34

200

100-55=

45

300

Use your number grid to subtract


50-27=

23

300

56-24=

32

300

45-13=

32

300

24-6=

18

300

80-61

19

400

Use your number grid to subtract.


57-23=

34

400

72-45=

27

400

80-44=

36

400

97-8=

89

400

81-33=

48

500

83-44=

39

500

78-39

39

500

92-37=

55

500

64-9=

55

500

90-22=

68