# 1.03 Review: Integers in context

## Interactive practice questions

Valentina and Maria want to meet at the cinema to watch a movie. Valentina lives $3$3 km west of the cinema, and Maria lives $5$5 km east of the cinema.

a

In the images below, the distance between each tick is $1$1 km. Which image shows the location of Valentina and Maria in relation to the cinema?

A

B

C

D

A

B

C

D
b

If we let $0$0 be at the cinema, and east to be the positive direction, which number line shows the location of Valentina and Maria in relation to the cinema?

A

B

C

D

A

B

C

D
c

How far would Maria have to travel to get to Valentina’s house?

Easy
Approx 2 minutes

At the start of the month, Laura owes $\$60$$60 to the bank. A week later her employer deposits \130$$130 into her account.

The image below shows how the location of a miner travelling up and down a mine shaft relates to an integer on the number line.

Let the present year be represented by the integer $0$0, the years into the future by the positive integers, and the years into the past by the negative integers. Use the number line to answer the following questions.

### Outcomes

#### 9.B3.1

Apply an understanding of integers to describe location, direction, amount, and changes in any of these, in various contexts.