Tuesday 11/17 Adding Integers
#1 #2 (-15) + 5 = 10 15 + (-5) = 10 10 + 5 = 15 (-10) + (-5) = -15 #3 Match the expression with the correct answer. (-12) + (-9) -21 (12) + (-9) 3 (-12) + 9 -3 12 + 9 21 #4-4+7 -11 11 -3 3 #5 Which expressions result in a negative answer? (-3) + 2 7 + (-5) 12 + (-7) (-16) + 18 #6-13 + 2 -15 11 15 -11 #7 Which expressions result in a positive answer? (-3) + -2 7 + (-5) -12 + (7) (-16) + -18 #8 - TRY THISKaty hikes up a mountain to an elevation of 250 feet. Then she continues her journey another 175 feet to the top. What elevation is Katy at now? 75 feet 452 feet 425 feet 57 feet KEYWhich expression matches the model ? 2 + -6= -4 6 + 4 =10 6 + -2= 4 Which model represents 1 + -4? KEYthe expression does the model represents ? 6+3=9 -6 + 3= -3 6 + -3 = 3 KEYFind the answer to the model below. 0 4 8 Whats the solution to the problem below? -7 + 10= 3 -10 + 7 = -3 -10 + -7 = 13 10 + 7 = 17 which model represents -15 + 5? Solve the model below 4 10 -4 Which expression matches the model below? -6 + -14= -20 - 14 + 6 = -20 6+14= 20