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-8 + 6 =2 2+6 = 8 -6 + 8= 2 8 + 2= -6 Which equation is modeled by the counters: -5 + 3= -2 5 + -3 = 2 5 + 3 = 8 -5 + -3 = -8 0 + 5= -6 -6 + 5=-1 5 + -11= -6 -11+ 6=5 Choose the equation that is modeled in the number line: -2 + -4 = 2 0 + -4 = -2 -2+ 4= 2 2 + -4= -2 Compute the sum of the counters: Solve: -3 + = 8 Solve: -4 + -9 = Solve: -2 + 6 = Solve: 2 + -6 = 7 -1 1 -7 |