a
b
1
2
3
4
5
6
7
8
9
10
11
12
1
5
Use counters to solve 7 - 6 =
2
12
1.) 7 - 6 =
3
5
Use number line to solve 5 - (-3) =
4
12
5 - (-3) =
5
5
Use counters to solve 6 - (-2) =
6
12
6 - (-2) =
7
5
Use counters to solve 5 - 8 =
8
12
5 - 8 =
9
4
Use counters to solve -7 - (-2) =
10
12
-7 - (-2) =
11
4
Use a number line to solve -7 - 3 =
12
12
-7 - 3 =
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