Year 9
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Lesson details
Key learning points
- 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.
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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
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
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
76
Q5.
The ratio of roses to violets is 3 : 4. The ratio of violets to daisies is 6 : 5. What is the ratio of roses to violets to daisies, in its simplest form?
3 : 10 : 5
6 : 8 : 5
72: 24 : 120