EST. MMXXIV · LONDON · MMXXVI SPECIFICATION
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FORMULA SHEETS · PRINT & STICK · FREE FOREVER

The formula sheets
every student needs.

73 sheets. One for every GCSE Maths topic. Designed to be screenshotted, printed, and stuck on your wall. Every definition, formula, worked example, common mistake and examiner tip — laid out with the density of a revision textbook and the polish of a museum poster.

13Sheets live
73Topics in total
3Exam boards
2Formats each
I
Number
From integers to standard form · 13 sheets · Foundation + Higher
Sheets 01 — 13
№ 01
Foundation + Higher
Integers, Place Value
& Ordering Numbers.
An integer is a whole number — positive, negative or zero.
Number · Sheet 01 →
№ 02
Foundation + Higher
Factors, Multiples
& Prime Numbers.
A factor divides into a number exactly.
Number · Sheet 02 →
№ 03
Foundation + Higher
Powers, Roots
& Indices.
A power (or index) tells you how many times to multiply a number by itself.
Number · Sheet 03 →
№ 04
Foundation + Higher
Fractions.
Adding, subtracting, ×, ÷.
A fraction shows part of a whole.
Number · Sheet 04 →
№ 05
Foundation + Higher
Decimals.
Calculations & conversions.
A decimal extends place value to the right of the decimal point.
Number · Sheet 05 →
№ 06
Foundation + Higher
Percentages.
Change, increase, decrease, reverse.
A percentage is a fraction of 100.
Number · Sheet 06 →
№ 07
Foundation + Higher
Ratio.
Sharing, simplifying, scaling.
A ratio compares two (or more) quantities.
Number · Sheet 07 →
№ 08
Foundation + Higher
Proportion.
Direct & inverse.
Direct proportion: as one goes up, the other goes up at the same rate.
Number · Sheet 08 →
№ 09
Foundation + Higher
Standard Form.
a × 10n.
Standard form writes very big and very small numbers compactly.
Number · Sheet 09 →
№ 10
Higher only
Surds.
Simplifying, operating, rationalising.
A surd is a root that can't be simplified to a rational — like √2, √3, √5.
Number · Sheet 10 →
№ 11
Higher focus
Bounds &
Error Intervals.
Every rounded measurement has a range it could have been.
Number · Sheet 11 →
№ 12
Foundation + Higher
Estimation.
Rounding for sanity checks.
An estimate is a quick, sensible approximation — rounded to 1 significant figure.
Number · Sheet 12 →
№ 13
Foundation + Higher
Product Rule
for Counting.
If one task has m ways and another has n, together there are m × n ways.
Number · Sheet 13 →
· · · ·
II — V
Algebra · Ratio · Geometry · Statistics
60 sheets · Coming next · Same polish, same depth
Sheets 14 — 73