KS Maths

Lessons

Choose your year or your course

423 interactive lessons. The first lesson of every unit is free, with no sign-in. Each one has something to move, a worked example, and questions that tell you which mistake you made.

MYP, Years 7 to 11

Year 7MYP mathematics Year 8MYP mathematics Year 9MYP mathematics Year 10Standard and Extended Year 11Standard and Extended Skill TreeHow every idea connects, Year 7 to Year 13

IB Diploma, Years 12 and 13: two courses

Choose your course, then your level. Each course page lists every lesson, and shows Standard Level or Higher Level at a tap. 87 lessons in AA and 78 in AI; 30 are taught in both courses, so the Diploma has 135 different lessons.

Analysis and Approaches (AA)

AA SL AA HL

  1. Number and Algebra
  2. Functions
  3. Geometry and Trigonometry
  4. Statistics and Probability
  5. Calculus

Applications and Interpretation (AI)

AI SL AI HL

  1. Number and Algebra
  2. Functions
  3. Geometry and Trigonometry
  4. Statistics and Probability
  5. Calculus

Working on the maths exploration? The internal assessment guides are free.

Every lesson, with a plan

The first lesson of every unit is free to try. A plan opens the rest: every figure to move, every question checked as it is typed, and a note on what each wrong answer means. One plan covers every child in the family.

Years 7 to 11 plan

$59 for 12 months, or $99 for 2 years

  • Every lesson from Year 7 to Year 11, so the refresher links always open
  • Every Year 7 to 11 revision pack as a printable PDF
  • Brothers and sisters in different years are covered
IB Diploma plan: AA or AI, SL or HL

$99 for 12 months, or $149 for 2 years

  • Choose your course and level. The plan opens every Diploma lesson in both courses and both levels, so a change of course never locks you out
  • Every lesson from Year 7, for the refreshers
  • Every revision pack as a printable PDF

Every option opens all Diploma lessons, AA and AI, SL and HL. Choose your own course so your receipt names it.

One payment. Nothing renews. Full refund within 30 days. 2 years means 24 months from the day you pay. Pay by card on Gumroad, then open any lesson and type the email you paid with. Prices are in US$; Gumroad shows your local currency at checkout. Already have a revision pack or the Years 7 to 11 plan? Move up and the unused part comes off.

Revision packs

For parents who want to help at home without knowing the maths. One printable A4 PDF for each year, written for IB schools: 100 exam-style questions in three levels (Warm-up, Core and Stretch), a timed mock paper with a mark-by-mark scheme, and a note on every answer that names the mistake most students make.

  • Year 7MYP Year 1, ages 11 to 12Buy for $19
  • Year 8MYP Year 2, ages 12 to 13Buy for $19
  • Year 9MYP Year 3, ages 13 to 14Buy for $19
  • Year 10MYP Year 4, Standard and Extended in one packBuy for $19
  • Year 11MYP Year 5, Standard and Extended in one packBuy for $19
  • IB Maths AA SLAnalysis and Approaches, Standard LevelBuy for $19
  • IB Maths AI SLApplications and Interpretation, Standard LevelBuy for $19

Already in the plans: the Years 7 to 11 plan includes the Year 7 to 11 packs, and the IB Diploma plan includes all seven. Prices are in US$; Gumroad shows your local currency at checkout. The PDF is stamped with your purchase email and is yours to print. Refunds within 30 days: reply to your receipt.