Which situations illustrate that the sum of opposite numbers is zero?
Responses
A Carol walks down 6 steps to reach the laundry room and up 6 steps to return to the kitchen.Carol walks down 6 steps to reach the laundry room and up 6 steps to return to the kitchen.
B Ian wins 18 chips on a game board and loses 18 chips on his next turn.Ian wins 18 chips on a game board and loses 18 chips on his next turn.
C Anna performs 5 consecutive forward rolls and repeats the same routine again.Anna performs 5 consecutive forward rolls and repeats the same routine again.
D Jenna earns $15 and spends $15 on makeup.Jenna earns $15 and spends $15 on makeup.
E Chris loans his sister $25 Tuesday and $25 again on Wednesday.Chris loans his sister $25 Tuesday and $25 again on Wednesday.
The situations that illustrate that the sum of opposite numbers is zero are:
A) Carol walks down 6 steps to reach the laundry room and up 6 steps to return to the kitchen. In this situation, the upward movement cancels out the downward movement, resulting in a sum of zero.
B) Ian wins 18 chips on a game board and loses 18 chips on his next turn. Here, the gain of 18 chips is offset by the loss of 18 chips, resulting in a sum of zero.
D) Jenna earns $15 and spends $15 on makeup. In this case, the income of $15 is balanced out by the expenditure of $15, resulting in a sum of zero.
Therefore, options A, B, and D demonstrate situations where the sum of opposite numbers is zero.