Using a Calculator

Using a Calculator Quiz

Edexcel GCSE Maths: Quiz

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5 questions, one answer each

Each answer is checked as you go, with why.

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  1. 1. Which calculator button is used to enter a number in standard form?

    • A. ANS
    • B. ×10ˣ or EXP
    • C. xʸ
    • D. √

  2. 2. A calculator displays a result as '3.2E05'. How should this be written in working?

    • A. 3.2 × 10⁵
    • B. 32,000
    • C. 3.2⁵
    • D. 320000E

  3. 3. What is the best way to check a calculator answer is sensible?

    • A. Re-enter the same calculation again
    • B. Round the original values to 1 significant figure and estimate the answer
    • C. Assume it is correct if it displays a number
    • D. Divide the answer by 2

  4. 4. Why is it important for a calculator to be in degree mode for GCSE trigonometry questions?

    • A. Degree mode gives more decimal places
    • B. GCSE trigonometry angles are measured in degrees, not radians
    • C. Degree mode is always the default
    • D. It affects only very large angles

  5. 5. In a multi-step calculation, why is it better to use the ANS button than to retype a rounded intermediate answer?

    • A. It saves battery
    • B. It avoids premature rounding error, keeping full accuracy through to the final answer
    • C. It changes the calculator to standard form automatically
    • D. It is required by exam boards

Quiz