adding decimals
adding
subtracting
counting backwards
counting forwards
100
.55 + .12
0.67
100
10 + 12
23
100
12 - 2
10
100
5,_,_,_,1 
4,3,2
100
what number is between 1-4
1,2,3,4
200
5.10 + 2.13
7.2
200
22 + 21
43
200
23-21
2
200
6,_,4,_,2,_
5,3,1
200
what numbers are between 1-6
1,2,3,4,5,6
300
36.0 + 4.4
40.4
300
32 + 34
66
300
34-30
4
300
7,_,5,_,3,_,1
6,4,2
300
what numbers are between 1-3
1,2,3
400
64.2 + 3.4
67.6
400
45 + 49
94
400
50-45
5
400
_,8,_,_,5,4,3,_,_
9,7,6,2,1
400
what numbers are between 1-8
1,2,3,4,5,6,7,8
500
95.0 + 2.1
97.1
500
120 + 1298
1418
500
100-500
400
500
_,_,_,7,6,5,4,_,_,_
10,9,8,3,2,1
500
what numbers are between 1-17
1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17
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