# Ratio problems

## Lesson details

### Key learning points

1. In this lesson, we will solve problems involving ratio, fractions and percentages.

### 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.
The angles in a triangle are in the ratio 1 : 2 : 3. What type of triangle is it?
Equilateral
Isosceles
None of these
Q2.
The angles in a triangle are in the ratio 3 : 4 : 5. What type of triangle is it?
Equilateral
Isosceles
Right-angled
Q3.
The angles in a triangle are in the ratio 1 : 1 : 1. What type of triangle is it?
Isosceles
None of these
Right-angled
Q4.
The ratio of Adam’s height to Tony’s height is 7 : 9. Adam is 154 cm tall. How tall is Tony?
22 cm
44 cm
86.625 cm
Q5.
The ratio of Adam’s height to Tony’s height is 7 : 9. Adam is 154 cm tall. How much taller is Tony?
198 cm
22 cm
86.625 cm

## Exit quiz

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### 5 Questions

Q1.
A box contains caramel and toffee chocolates. 3/10 of the chocolates are caramel. What is the ratio of caramel to toffee chocolates in the box?
3 : 10
7 : 3
7 :10
Q2.
Which ratio could be described by the statement: A is 3/5 of B. All options are given in the form A : B.
2 : 3
2 : 8
3 : 8
Q3.
At a bake sale 25% of the cupcakes on sale are chocolate. 3/5 of the cupcakes are vanilla and the rest are peanut butter. What is the ratio of chocolate:vanilla:peanut butter?
25 : 3 : 2
25 : 60 : 5
3/20
Correct answer: 5 : 12 : 3
Q4.
At a bake sale 25% of the cupcakes on sale are chocolate. 3/5 of the cupcakes are vanilla and the rest are peanut butter. If there are 48 peanut butter cupcakes, how many cupcakes are there altogether?
133
288