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Lesson details
Key learning points
- In this lesson, we will learn how to represent ratios pictorially and use these representations to justify the equivalence of ratios.
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.
Fill in the gap: Two quantities are said to be in the same ratio, if there is an equivalent _____________ relationship between them.
proportion
ratio
times
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.
multiplicative
proportion
times
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?
2 centilitres
27 litres
4 litres
Q4.
Fill in the missing ratio: I mix 2 litres of squash with 7 litres of water. The ratio of squash to water is …. : ....
2 : 9
7 : 2
9 : 7
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.
3
4
5
5 Questions
Q1.
Fill in the gaps: If the proportion between the ____________ is constant, then the ratios are __________________.
proportions, equivalent
proportions, the same
ratios, the same
Q2.
The ratio of the top bar is 1 : 5 : 2. What is the equivalent ratio shown on the bottom bar?
3 : 12 : 6
3 : 14 : 6
3 : 16 : 6
Q3.
Squash and water are mixed in the following ratios to make a drink. Which drinks will taste the same? A) 4:10 B) 3:8 C) 9:24 D) 15:25
A and B and C
A and D
All of them
None of them
Q4.
Light green paint is mixed with green : white as 2: 5. What ratio would be needed for 12 units of green?
12 : 12
12 : 20
12 : 5
Q5.
Light green paint is mixed with green : white as 2: 5. Write the ratio for the white paint needed for 1 unit of green.
1 : 1
1 : 5
2 : 1