Finding any percentage of an amount using the 'find 1% then multiply' or 'find 10% then combine' methods.
Where your child meets this in real life: Calculating 15% service charge, 35% discount, or 17.5% VAT
Each SEAG paper has 28 maths questions. Questions 29 to 50 are multiple choice with five possible answers, and questions 51 to 56 need a short written answer. With 56 questions in 60 minutes across English and maths, that is about a minute per question.
SEAGReady breaks find any percentage of an amount into 3 steps, taught in order so each skill builds on the last.
Find multiples of 10% (such as 20%, 30%, 40%) by finding 10% and multiplying
Find percentages like 15%, 25%, 35% by combining 10% portions with 5% (half of 10%)
Find any percentage using the 1% method: divide by 100 to find 1%, then multiply
Try three free questions from our find any percentage of an amount course. They start easy and get harder, so you can see where your child's confidence runs out. If they manage the last one without a hint, this topic is probably secure. If not, the steps above show where to start.
A school choir has 150 members. 20% of them are boys. How many boys are in the choir?
A school trip to a visitor centre costs £140. Early bookers get 35% off. How much do early bookers save?
A school raises £5,000. It gives 15% to a food bank and 32% to a youth club. How much does it give in total?
This is the exact interactive worked example your child sees in SEAGReady. Step through it and watch the method build up.
A school football team has 120 supporters at their match. 30% of them are wearing team scarves.
How many supporters are wearing scarves?
30% of 120
To find 10%, divide by 10
Step 1 of 4
A school football team has 120 supporters at their match. 30% of them are wearing team scarves.
How many supporters are wearing scarves?
36 supporters are wearing team scarves.
The key insight: Think of 10% as a building block - just multiply it to get any multiple of 10%!
Common mix-up: 30% of 120 = 120 ÷ 30 = 4. Don't divide by the percentage number. Find 10% first, then multiply.
These are the misconceptions we see most often in find any percentage of an amount, including the ones our practice questions are specifically designed to catch.
Struggling with find any percentage of an amount? The real gap is often in one of these earlier topics.
Sitting the SEAG test this November? Read our last-month revision plan, Paper 1 vs Paper 2 and test day guide.
SEAGReady finds the exact step where your child gets stuck, teaches it with worked examples like the one above, and brings it back for review so it sticks.
Free to start · no card needed