Question

Explain how to use a number line to show that opposite quantities combine to make 0.

Answer 1

Answer:

1. Add a positive number to a number by counting up from that number, and add a negative number to a.
2. number by counting down from that number.
3. An integer plus its opposite sum to zero.
4. The opposite of a number is called the additive inverse because the two numbers' sum is zero.

Answer 2

Explanation:

• Add a positive number to a number by counting up from that number, and add a negative number to a number by counting down from that number.
• An integer plus its opposite sum to zero.
• opposite of a number is called the additive inverse because the two numbers' sum is zero.

let's take an example:

que: In a match team A scored 2 points in first goal , but due to his foul he lost -2 points . How many points does team A scored?

solution:

Team A scored : 2

Lost due to foul : -2

Total score : 2+(-2) = 2-2 = 0

Showing on the number line it will be :

___|___|___|___|___|___|___|___|___|___|___

-4 -3 -2. -1. 0. 1. 2. 3. 4. 5

-------------> scored (2)

<------------- lost (-2)

(#SPJ3)