Mathematics 0580 · IGCSE · Estimation

Estimation — practice question

Do not use your calculator; round every number to 1 significant figure.
(main)[2]

Work out an estimate for $\dfrac{10.3 \times 19.5}{88.9 - 43.2}$. Show every step of your working.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Working: $\dfrac{10 \times 20}{90-40}$” …

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI