Hubzilla Maths

Learn IB Maths and test
Yourself with exam-style questions

Bitesize videos, interactive exercises and every question marks itself instantly.

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What a student sees

Every lesson opens with a video

Short videos work through the ideas before the questions start. Captions are available in English, Spanish, French, Italian, German and Simplified Chinese.

Play it here

ENESFRITDE中文

Equivalent answers are accepted

Type your answer with an equation keyboard. It is compared to the correct one symbolically, so factorised, expanded and rearranged forms all count. Every question has a worked solution.

Answer it here

Evaluate

\log_{49} 7

Loading math input...

Hints and worked solutions

Every question has a hint you can open whenever you want. The worked solution and the mark scheme stay closed until you have had two attempts or answered correctly.

Solve $2^n = 40$

Take logs of both sides, then bring the exponent down with the power rule.

Worked solution · after 1 more attempt

Exact or three significant figures, unless the question says otherwise

Both forms are accepted by default (unless a question says otherwise) following the IB's guidance. You get a warning if you've got the right answer but the wrong accuracy.

Find the area of a circle of radius 2.

12.566

Your value is right. This question wants it exactly or to three significant figures.

$4\pi$ and $12.6$ are both accepted.

Exam-style questions and mark schemes

Questions calibrated against past papers, with IB-style mark schemes showing where each mark falls. Every lesson lists the spec points it covers.

Question 4[5 marks]

Find the term independent of $x$ in $\left(2x - \dfrac{1}{x^2}\right)^{6}$ .

SL 1.9Mark scheme: M1 A1 A1Solution video

A calculator inside the lesson

The calculator opens over the question you are working on. Demos are filmed separately for the TI-Nspire CX II, TI-84 Plus CE, Casio fx-CG50, Casio fx-CG100 and NumWorks: pick your model once and every demo on the site shows yours. Each question is labelled calculator or non-calculator, matching Paper 1 and Paper 2.

Question 7Calculator allowed

Find the area enclosed by the curve and the $x$ -axis.

\int_0^4 f(x)\,dx

Calculator

The formula booklet and the syllabus

The official formula booklet for your course and level opens in any lesson. The syllabus page lists every spec point in the guide's own wording, with how far you have got through each one.

Binomial theorem

AHL 1.10Topic 1

Binomial theorem

(a+b)^n = a^n + {}^nC_1 a^{n-1}b + \dots + b^n

Combinations

{}^nC_r = \dfrac{n!}{r!(n-r)!}

Syllabus · your progress

SL 1.2

SL 1.3

AHL 1.10

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Learn IB Maths and test Yourself with exam-style questions