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CCEA GCSE Mathematics Number overview quiz quiz

17questions. Pick an answer and you'll see why right away.

  1. Work out −6+3×(−4)-6 + 3 \times (-4).

  2. Work out −9−(−5)-9 - (-5).

  3. Write 9090 as a product of its prime factors.

  4. Find the LCM of 1212 and 1818.

  5. Work out 23+14\dfrac{2}{3} + \dfrac{1}{4}.

  6. Work out 35÷27\dfrac{3}{5} \div \dfrac{2}{7}.

  7. Find 35%35\% of £240\pounds 240.

  8. A coat costs £63\pounds 63 after a 30%30\% reduction. What was the original price?

  9. £1500\pounds 1500 is invested at 4%4\% compound interest per year. What is the value after 2 years?

  10. Share £480\pounds 480 in the ratio 3:53 : 5. What is the larger share?

  11. 5 workers build a wall in 12 days. How long would 3 workers take, working at the same rate?

  12. Simplify x6×x4x2\dfrac{x^6 \times x^4}{x^2}.

  13. Evaluate 272/327^{2/3}.

  14. Write 0.000560.00056 in standard form.

  15. Simplify 48+12\sqrt{48} + \sqrt{12} in the form aba\sqrt{b}.

  16. A length is 7.47.4 cm to the nearest 0.10.1 cm. What is its lower bound?

  17. Estimate 59.3×4.21.9\dfrac{59.3 \times 4.2}{1.9} by rounding each number to one significant figure.