Question

Lesson 1: Opposite Quantities Combine to Make Zero Homework 1. What is the value of the sum of the card values shown? Use the counting on (slide) method on the provided number line to justify your answer. 5 -5 -4 8

Answer 1

Take +1 and -1. Here +1 is posiitve and -1 is negative. Both are opposite numbers or quantities.

Adding the numbers,

$1+(-1)=0$

Thus, opposite quantities combine to make zero.

In counting on method, we start counting from the bigger number