Math · Age 11 · Ratio & Proportion
Ratio Word Problems – Scaling (Ex. 1)
Solve word problems involving ratio: scaling recipes, maps, and drawings.
Module
Ratio & Proportion
Age
Age 11
Duration
10 min
Questions
5
What's in this exercise
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Question 1
Multiple choice
A recipe for 4 people needs 200 g of pasta. How much pasta is needed for 10 people?
Question 2
Multiple choice
A model car is built at a scale of 1:20. If the model is 15 cm long, how long is the real car in cm?
Question 3
Multiple choice
Paint is mixed in a ratio of 3 parts blue to 1 part white. To make 20 litres, how many litres of blue paint are needed?
Question 4
Sequence
A recipe for 6 biscuits needs 90 g of sugar. To make 15 biscuits: Find sugar per biscuit = 90 ÷ 6 = 15 g. Then 15 × 15 = ___.
Question 5
True or false
If the ratio of apples to oranges is 2:5 and there are 10 apples, there must be 25 oranges.