Maths Essentials
For ages 14–16, GCSE level
Similar to US grades 9–10 (high school) and IB MYP years 4–5
Every maths topic, marked as you go.
Free Unit 1, Place value, rounding and bounds
152 lessons Unit 1 free
0 of 152 lessons done
Practice
Revise next
How this works
Picked from your answers on this device and your account: topics you are still learning, and secure ones you have not practised for a while. The bars show how sure you are on each one. It is not a grade.
What you’ll be able to do
- Round to decimal places and significant figures, and estimate
- Keep answers exact with π, surds and standard form
- Factorise into one bracket
- Name a triangle or quadrilateral from squared lengths and gradients
- Find the best buy, scale a recipe and use exchange rates
- List outcomes and use sample spaces
The course, unit by unit
Part 1: Number
4 units, 19 lessons
Part 1: Number
4 units, 19 lessons
Part 2: More topics
3 units, 15 lessons
Part 2: More topics
3 units, 15 lessons
Part 3: Algebra
10 units, 50 lessons
Part 3: Algebra
10 units, 50 lessons
Part 4: Geometry and measures
8 units, 39 lessons
Part 4: Geometry and measures
8 units, 39 lessons
Part 5: Ratio and proportion
3 units, 14 lessons
Part 5: Ratio and proportion
3 units, 14 lessons
Part 6: Probability
2 units, 10 lessons
Part 6: Probability
2 units, 10 lessons
Part 7: Statistics
1 unit, 5 lessons
Part 7: Statistics
1 unit, 5 lessons
No units match this choice. Try Both tiers.
Practice exams and topic tests
A topic test ends every unit. Practice exams are timed at full exam length and marked when you hand them in.
Revise and practise alongside
Tools and simulations
- Scientific calculatorTrig, logs, powers and a history of answers.
- Fractions and percentagesFractions, percentages and ratios, step by step.
- Equation solverLinear, quadratic and simultaneous, with working.
- Graphing calculatorPlot functions, sliders, roots, turning points, areas.
- Straight lines: y = mx + cTwo points make one line. Which?
- Graph transformationsWhich way does f(x + 2) move?
- Unit circleTurn an angle, see exact sin, cos and tan.
- Numerical methods: Newton-Raphson, iteration, bisectionWatch the digits double
Questions
Does Maths Essentials match my course at school?
It covers the topics of the courses on the Helps with line at the end of this page, as a complete course of its own. Higher-only lessons are marked; Foundation above hides them.
What is free?
All of the first unit, Place value, rounding and bounds (5 lessons), the first screen of every other lesson, and each unit's topic test.
Do I need an account?
No. Progress saves in this browser; sign in to keep it on every device.
How long does it take?
About 62 hr 20 min of lessons in 31 units. Lessons take 15 to 35 minutes each.
Helps with: GCSE (AQA, Edexcel, OCR), Cambridge IGCSE
AQA, Pearson Edexcel and OCR are trade marks of their owners. Brainlag is independent of every exam board; all questions are original.