# To compare masses using non-standard units

In this lesson, we will use non-standard units to measure the mass of toys in the balance scales.

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

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

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Select the correct answer for what the scale is showing.

1/4

Q2.Select the correct answer for what the scales are showing.

2/4

Q3.Which one would be the heaviest?

3/4

Q4.Which one would be the lightest?

4/4

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

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

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Select the correct answer for what the scale is showing.

1/4

Q2.Select the correct answer for what the scales are showing.

2/4

Q3.Which one would be the heaviest?

3/4

Q4.Which one would be the lightest?

4/4

# 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:

# To compare masses using non-standard units

Measuring length, height and weight.

Q1.Estimate how many cubes would weigh the same as this mobile phone.

1/4

Q2.If I had 20 cubes on one side of the balance scales, how many would I need to on the other side to balance the scales?

2/4

Q3.Estimate how many marbles, you would need to balance the scales with a teddy bear on.

3/4

Q4.Which object has the lightest mass?

4/4

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

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

# To compare masses using non-standard units

Measuring length, height and weight.

Q1.Estimate how many cubes would weigh the same as this mobile phone.

1/4

Q2.If I had 20 cubes on one side of the balance scales, how many would I need to on the other side to balance the scales?

2/4

Q3.Estimate how many marbles, you would need to balance the scales with a teddy bear on.

3/4

Q4.Which object has the lightest mass?

4/4

# Lesson summary: To compare masses using non-standard units

## Time to move!

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

For 5 mins...

Move around:
Walk

On the spot:
Chair yoga