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Solution: Page 249 (Subtraction Expressions)

April 10, 2024
1 min read

Complete these expressions

Think: TargetStart=Movement\text{Target} - \text{Start} = \text{Movement}

  • a. (+1)(+4)=3(+1) - (+4) = -3 (To go from 4 to 1, move down 3)
  • b. (0)(+2)=2(0) - (+2) = -2 (From 2 to 0, move down 2)
  • c. (+4)(+1)=+3(+4) - (+1) = +3 (From 1 to 4, move up 3)
  • d. (0)(2)=+2(0) - (-2) = +2 (From -2 to 0, move up 2)
  • e. (+4)(3)=+7(+4) - (-3) = +7 (From -3 to 4, move up 7)
  • f. (4)(3)=1(-4) - (-3) = -1 (From -3 to -4, move down 1)
  • g. (1)(+2)=3(-1) - (+2) = -3 (From 2 to -1, move down 3)
  • h. (2)(2)=0(-2) - (-2) = 0 (No movement)
  • i. (1)(+1)=2(-1) - (+1) = -2 (From 1 to -1, move down 2)
  • j. (+3)(3)=+6(+3) - (-3) = +6 (From -3 to 3, move up 6)