Free 11+ Maths Lesson
A free 11+ maths lesson: Reverse Fractions
A complete interactive lesson from our 11+ maths course, free to use. No sign up and no card details. Your child learns to find the whole amount when they know a fraction of it, one of the question types in 11+ papers every year.
5 units, 10 worked examples and 2 interactive explores, with practice questions after every unit.
Works best on a laptop or computer, full screen.

What is in the lesson
An explore screen first. Your child builds the whole amount one part at a time and watches the fraction grow to 1.
Worked examples, one line at a time. Each click reveals the next step, with a bar model beside the working.
Practice questions after every example, worked on paper, then checked with a click.
Ten questions at the end of each unit, from easy to hard, with new numbers whenever your child wants another go.
The five units
- Unit fractions
- Non-unit fractions
- Increase and decrease
- Decimal answers
- Word problems
A worked example from the lesson

How to use it with your child
- Sit with them for the first worked example, then let them lead.
- Keep a sheet of paper next to the laptop and write every answer down before clicking to check it.
- One unit a session is plenty. Five short sessions beat one long one.
- If a unit goes badly, press New Questions and do it again another day.
If your child gets on with it
- Complete 11+ Maths Course PaidAll 80 lessons in teaching order, 6,773 questions, £200 once
- Fractions Mastery Bundle PaidAll five fractions lessons, including this one
- Free practice questions Free16 topics, three levels each, no sign up
- Maths Level Finder FreeFind the level your child is working at now
Questions parents ask
Is the lesson free?
Yes. The whole Reverse Fractions lesson is free to use, with no sign up and no card details. It is the same lesson that is inside the paid course.
Who is it for?
Children preparing for the 11+ or KS2 SATs, usually in Year 5 or Year 6. It also suits a Year 7 or 8 child who finds reverse fraction questions hard.
What does my child need?
A laptop or computer with the lesson open full screen. Your child works through each question on paper, then clicks to check the answer.
What is a reverse fraction question?
One where you know a fraction of an amount and need the whole amount. For example, three quarters of a number is 21, so what is the number? It comes up in 11+ papers every year.
What if my child needs more than one lesson?
Reverse Fractions is lesson 5 of 5 in the Fractions Mastery Bundle. All 80 lessons, in teaching order, are in the Complete 11+ Maths Course for £200.
Try it tonight
Open the lesson, put it full screen and work through the first unit together.