Finding 10%, 25%, 50% of amounts using mental strategies (halving, dividing by 10).
Where your child meets this in real life: Calculating tips (10%), sale prices (50% off), or quarter portions (25%)
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 simple percentages of amounts into 3 steps, taught in order so each skill builds on the last.
Find 50% of an amount by halving (dividing by 2)
Find 10% of an amount by dividing by 10
Find 25% of an amount by dividing by 4 or halving twice
Try three free questions from our find simple percentages of amounts 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.
Sean is reading a book with 64 pages. He wants to read 50% of the book this weekend. How many pages is that?
Hannah's dad earns £370 per week. He gives 10% to charity. How much does he give to charity?
Charlotte has £180 in her savings account. She takes out 25% to buy a present, and then her granny gives her £15. How much does Charlotte have now?
This is the exact interactive worked example your child sees in SEAGReady. Step through it and watch the method build up.
Erin is reading a book with 84 pages for her school project.
She wants to read 50% of the book today. How many pages is that?
50% of 84
50% means 50 out of 100, which equals one half
Step 1 of 3
Erin is reading a book with 84 pages for her school project.
She wants to read 50% of the book today. How many pages is that?
Erin needs to read 42 pages today.
The key insight: 50% is just half - so finding 50% is as easy as dividing by 2!
Common mix-up: 50% of 84 = 84 ÷ 50 = 1.68. Don't divide by 50. 50% means half, so divide by 2.
These are the misconceptions we see most often in find simple percentages of amounts, including the ones our practice questions are specifically designed to catch.
Struggling with find simple percentages of amounts? 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