GCSE · Standard form

Calculating in standard formExam-style questions

Why multiplying and dividing in standard form is just the index laws, why the answer often needs re-standardising, and why adding needs the powers aligned first.

19 questions · GCSE (Higher) level · mark scheme and worked solution on each · no sign-up to try

DifficultyAllLevel 1Level 2Level 3Level 4Level 5
  1. 1
    Work out (2×103)×(4×102)(2 \times 10^3) \times (4 \times 10^2). Give your answer in standard form.
    Level 1 · 2 marksTry it
  2. 2
    Work out (6×104)÷(2×102)(6 \times 10^4) \div (2 \times 10^2). Give your answer in standard form.
    Level 1 · 2 marksTry it
  3. 3
    Work out (3×102)+(5×102)(3 \times 10^2) + (5 \times 10^2). Give your answer in standard form.
    Level 1 · 1 markTry it