Addition
Subtraction
Place Value
Money
Geometry
100
9+3+5=
17
100
11-5=
6
100
In the number 75, what number is in the tens place?
7
200
11+5+2=
18
200
20-3=
17
300
12+7+6=
25
300
26-7=
19
400
15+10+4+6=
35
400
37-9=
28
500
20+9+7=
36
500
58-16=
42
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