Year 8

Year 8

# Displacement-time graphs (Part 1)

## Lesson details

### Key learning points

1. In this lesson, we will learn the difference between distance-time and displacement-time graphs.

### Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

## Video

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## Worksheet

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## Starter quiz

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### 5 Questions

Q1.
Which of the following calculations can be used to work out speed?
Correct answer: distance divided by time
distance multiplied by time
time divided by distance
time multiplied by distance
Q2.
Becky runs at 7 km/h for half an hour. How far does she run?
0.07 km
14 km
7 km
Q3.
Ella cycles 18 miles in one and a half hours. What is her average speed in miles per hour?
0.083 miles per hour
Correct answer: 12 miles per hour
27 miles per hour
36 miles per hour
Q4.
A train travels 75 miles at an average speed of 25 mph. How long does the journey take?
1/3 of an hour
20 minutes
225 hours
Q5.
On the first part of the journey a car travels 160 km in 3 hours. On the second part of the journey the car travels 140 km in 2 hours. What is the average speed of the car over the whole journey?
53.33 km/h
61.67 km/h
70 km/h

## Exit quiz

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### 5 Questions

Q1.
Fill in the gap: Starting from home, Sue walked for 2 km at a steady speed of _____ km per hour.
0.1 km/h
0.17 km/hr
2 km/h
Q2.
Fill in the gap: After 20 minutes, Sue stopped to chat for _____ minutes.
20
30
50
Q3.
Fill in the gap: Sue then continued at a steady speed of _____ km per hour until she reached the shops.
0.1 km/h
0.17 km/h
2 km/h