Subtract Using a 100s chart
Subtract using an open number line
Subtract by breaking apart numbers
Subtract Using mental math
100
What is 20 - 5?
15
100
20 - 10 =
10
100
72 - 9 =
63
100
5 -1 =
4
200
What is 35- 10?
25
200
35- 20 =
15
200
15 - 7 =
8
200
6 - 2 =
4
300
What is 46 - 21?
25
300
55 - 23 =
32
300
23 - 4 =
19
300
10 - 5 =
5
400
What is 75 - 37
38
400
80 - 43
37
400
58 - 9 =
49
400
12 - 3 =
9
500
99 - 68?
31
500
96 - 75
21
500
86 - 8
78
500
40 - 10 =
30