# Calculating and comparing intervals of time

In this lesson, we will learn how to calculate and compare intervals of time when given the start and finish times. We will look at TV schedules and cinema times to help us calculate the length of programmes and films based upon their start and finish times, using number lines to help us.

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

• Click "Close Video"
• Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Comparing and Ordering Intervals of Time Quiz

What have you learned about comparing intervals of time? Take the quiz to find out!

Q1.Which interval of time is longer?

1/6

Q2.Which interval of time is longer?

2/6

Q3.Which interval of time is shorter?

3/6

Q4.Which interval of time is shorter?

4/6

Q5.The Green Monster TV programme started at 8.15am. Fun Tricks started at 8:35am. How long was The Green Monster programme?

5/6

Q6.The Wicked Witch started at 04:45pm. It ended at 06:05pm. How long was the film?

6/6

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Comparing and Ordering Intervals of Time Quiz

What have you learned about comparing intervals of time? Take the quiz to find out!

Q1.Which interval of time is longer?

1/6

Q2.Which interval of time is longer?

2/6

Q3.Which interval of time is shorter?

3/6

Q4.Which interval of time is shorter?

4/6

Q5.The Green Monster TV programme started at 8.15am. Fun Tricks started at 8:35am. How long was The Green Monster programme?

5/6

Q6.The Wicked Witch started at 04:45pm. It ended at 06:05pm. How long was the film?

6/6

# Lesson summary: Calculating and comparing intervals of time

## Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Jog

On the spot:
Dance