# In the same ratio

In this lesson, we will learn to scale up from one group to 'many' groups and use multiplicative relationships to calculate unknown values in the 'many' groups.

#### 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.Fill in the gap: We can describe the ____________ between two or more quantities by comparing them with each other.

1/5

Q2.Fill in the gap: We can describe the relationship between two values using __________ notation.

2/5

Q3.I make groups of grey and white counters in the ratio 3:4. How many grey counters are there in two groups?

3/5

Q4.I make groups of grey and white counters in the ratio 3:4. How many white counters are there in five groups?

4/5

Q5.I make groups of grey and white counters in the ratio 3:4. How many grey counters and white counters are there in 100 groups?

5/5

#### 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.Fill in the gap: We can describe the ____________ between two or more quantities by comparing them with each other.

1/5

Q2.Fill in the gap: We can describe the relationship between two values using __________ notation.

2/5

Q3.I make groups of grey and white counters in the ratio 3:4. How many grey counters are there in two groups?

3/5

Q4.I make groups of grey and white counters in the ratio 3:4. How many white counters are there in five groups?

4/5

Q5.I make groups of grey and white counters in the ratio 3:4. How many grey counters and white counters are there in 100 groups?

5/5

# 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:

# In the same ratio quiz

Apply your understanding to this quiz.

Q1.Fill in the gap: Two quantities are said to be in the same ratio, if there is an equivalent _____________ relationship between them.

1/5

Q2.Fill in the gap: 2 litres of red paint and 5 litres of white paint are in the same_______ as 5 litres of red paint and 12.5 litres of white paint.

2/5

Q3.I mix 2 litres of squash with 3 litres of water. I need more that tastes the same. How much squash should I mix with 9 litres of water?

3/5

Q4.Fill in the missing ratio: I mix 2 litres of squash with 7 litres of water. The ratio of squash to water is …. : ....

4/5

Q5.Fill in the missing number: I mix 4 litres of yellow paint with 10 litres of red paint. The ratio of yellow to red is …. : 5.

5/5

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

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

# In the same ratio quiz

Apply your understanding to this quiz.

Q1.Fill in the gap: Two quantities are said to be in the same ratio, if there is an equivalent _____________ relationship between them.

1/5

Q2.Fill in the gap: 2 litres of red paint and 5 litres of white paint are in the same_______ as 5 litres of red paint and 12.5 litres of white paint.

2/5

Q3.I mix 2 litres of squash with 3 litres of water. I need more that tastes the same. How much squash should I mix with 9 litres of water?

3/5

Q4.Fill in the missing ratio: I mix 2 litres of squash with 7 litres of water. The ratio of squash to water is …. : ....

4/5

Q5.Fill in the missing number: I mix 4 litres of yellow paint with 10 litres of red paint. The ratio of yellow to red is …. : 5.

5/5

# Lesson summary: In the same ratio

## 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