# Dividing into a ratio II

In this lesson, we will divide a quantity into a ratio of the form a : b : c and compare the relative sizes of the parts to each other and to the whole.

#### 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.Amit and Bernie share 100 sweets in the ratio 2:3. What fraction of the sweets will Amit have?

1/5

Q2.Amit and Bernie share 100 sweets in the ratio 2:3. What fraction of the sweets will Bernie have?

2/5

Q3.Amit and Bernie share 100 sweets in the ratio 2:3. How many sweets will Amit get?

3/5

Q4.Amit and Bernie share 100 sweets in the ratio 2:3. How many sweets will Bernie get?

4/5

Q5.In a group of 72 children, the ratio of boys to girls is 5:4. How many girls are in the group?

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.Amit and Bernie share 100 sweets in the ratio 2:3. What fraction of the sweets will Amit have?

1/5

Q2.Amit and Bernie share 100 sweets in the ratio 2:3. What fraction of the sweets will Bernie have?

2/5

Q3.Amit and Bernie share 100 sweets in the ratio 2:3. How many sweets will Amit get?

3/5

Q4.Amit and Bernie share 100 sweets in the ratio 2:3. How many sweets will Bernie get?

4/5

Q5.In a group of 72 children, the ratio of boys to girls is 5:4. How many girls are in the group?

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:

# Dividing into a ratio II

Show what you've learnt!

Q1.Red paint and white paint are mixed in the ratio 3:5 to make 1 litre of pink paint. What fraction of the paint is red?

1/5

Q2.Fill in the gap: Yellow paint and blue paint are mixed in the ratio 2:3 to make 1 litre of green paint. The amount of yellow paint will be _____ as much as the blue paint.

2/5

Q3.Yellow paint and blue paint are mixed in the ratio 2:3 to make 1 litre of green paint. How much yellow paint is needed?

3/5

Q4.Yellow paint and blue paint are mixed in the ratio 2:3 to make 1 litre of green paint. How much blue paint is needed?

4/5

Q5.The angles in a triangle are 𝑥, 𝑦 and 𝑧. The angles are split into the ratio 2:3:4. What are the sizes of the angles in this triangle?

5/5

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

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

# Dividing into a ratio II

Show what you've learnt!

Q1.Red paint and white paint are mixed in the ratio 3:5 to make 1 litre of pink paint. What fraction of the paint is red?

1/5

Q2.Fill in the gap: Yellow paint and blue paint are mixed in the ratio 2:3 to make 1 litre of green paint. The amount of yellow paint will be _____ as much as the blue paint.

2/5

Q3.Yellow paint and blue paint are mixed in the ratio 2:3 to make 1 litre of green paint. How much yellow paint is needed?

3/5

Q4.Yellow paint and blue paint are mixed in the ratio 2:3 to make 1 litre of green paint. How much blue paint is needed?

4/5

Q5.The angles in a triangle are 𝑥, 𝑦 and 𝑧. The angles are split into the ratio 2:3:4. What are the sizes of the angles in this triangle?

5/5

# Lesson summary: Dividing into a ratio II

## 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