Primary 6 · Percentage · Question type 3.2
Measure a change against the amount you started with. That is the 100%, whether the change goes up or down.
Try the question yourself, or watch the lesson first.
Primary 6, on the MOE Primary Mathematics syllabus.
The lesson · 2 minutes 41 seconds
Watch: a fair that drew 400 people last year and 500 this year
Another worked example
Last month a stall sold 3 times as many cookies as muffins. This month the number of muffins sold went up by 40% and the number of cookies sold went up by 15%. Altogether the stall sold 340 more items this month than last month. How many muffins did the stall sell last month?
The working · Eight lines
Written out in full, the way it should appear on paper.
The answer is 400 muffins.
Practise · Modelled on top school exam questions
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Try it yourself
Try solving it yourself before checking your answer and working.
A shop had 300 T-shirts and 200 caps. The number of T-shirts was increased by 20% and the number of caps did not change. Find the percentage increase in the total number of items in the shop.
Ans: 12%
The practice plan adds more questions and saved progress.
Next, apply two percentage changes in sequence. Successive Percentage Changes →