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1.05 Practical problems with integers

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
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
c

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

Easy
1min

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

Medium
1min

William arrives to a meeting $15$15 minutes early, and he leaves as soon as the meeting ends, $75$75 minutes after he got there.

Easy
< 1min

Maximilian is going to cook a pot roast. He turns the oven on to warm it up. He puts the pot roast in the oven $15$15 minutes later when it is at the right temperature. The pot roast is ready $120$120 minutes after Maximilian first turned the oven on.

Easy
1min
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Outcomes

7.NS.A.3

Solve real-world and mathematical problems involving the four operations with rational numbers. (Computations with rational numbers extend the rules for manipulating fractions to complex fractions.)

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