Simplify a×3×4a \times 3 \times 4a×3×4
Simplify b×b×bb \times b \times bb×b×b
Simplify 3y+9y3\displaystyle \frac{3y + 9y}{3}33y+9y
260 exam-style questions on OCR GCSE Maths Simplifying Algebra. Each one has a worked solution and a mark scheme showing where the marks go.