Math · Age 11 · Ratio & Proportion
Proportional Reasoning – Direct Proportion (Ex. 2)
Complete proportion tables and solve 'if…then…' problems.
Module
Ratio & Proportion
Age
Age 11
Duration
10 min
Questions
5
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Question 1
Multiple choice
A machine makes 30 boxes in 5 minutes. How many boxes does it make in 12 minutes?
Question 2
Multiple choice
A tap fills 15 litres in 3 minutes. How long does it take to fill 45 litres?
Question 3
Multiple choice
In a direct proportion table, x = 4 gives y = 20. What is y when x = 9?
Question 4
Sequence
If 6 workers build 3 walls in a day, how many walls can 10 workers build? Walls per worker = 3 ÷ 6 = 0.5. Walls for 10 = 10 × 0.5 = ___.
Question 5
True or false
If y is directly proportional to x and y = 12 when x = 4, then y = 18 when x = 6.