From 200
200 - 130 =
70
108 - 88 =
20
74 - 41 =
33
147 - 32 =
115
What place value do you start in when subtracting?
Ones
200 - 175 =
25
120 - 49 =
71
64 - 27 =
37
126 - 92 =
34
How many ones are in a ten stick?
10
200 - 98 =
102
101 - 72 =
29
95 - 37 =
58
172 - 35 =
137
How many tens are in a hundred?
10
200 - 64 =
136
130 - 99 =
31
82 - 53 =
29
187 - 46 =
141
When do you regroup?
When there is more on the floor
200 - 72 =
128
160 - 67 =
93
99 - 35 =
64
119 - 44 =
75
What is the correct order to subtract?