Subtracting Integers
Model -6 - (-3) Model -2 - (-4) Model 4 - (-8) Model 5 - (-2) Model -9 - 5 Model -7 - 1 Explain how to find 5 - 7 by using counters.Start with 5 positive counters. Add 7 negative counters. Then take away 5 zero pairs for a difference of -2.Explain how to find -5 - (-3) by using counters.Start with 5 negative counters. Remove 3 negative counters. 2 negative counters are left, so the difference is -2.