Addition
Subtraction
Doubles
What's That Number
<>=
100
1+2=
3
100
5-3=
2
100
1+1=
2
100
one
1
100
3 ? 5
<
200
3+4=
7
200
8-3=
5
200
4+4=
8
200
four
4
200
6 ? 10
<
300
7+8=
15
300
19-7=
12
300
6+6=
12
300
eight
8
300
16 ? 12
>
400
19+6=
25
400
25-10=
15
400
10+10=
20
400
seventeen
17
400
19 ? 18
>
500
28+12=
40
500
36-16=
20
500
15+15=
30
500
eighty-three
83
500
100 ? 100
=
M
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n
u