Keystones — Bedrock
Five GCSE retrieval questions · 12 August 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 69 + 20
Answer: 69 + 20 = 89 -
2. Algebra Substitution
If x = 2, find the value of 3x + 5
Answer: 11 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:30
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 2, 18, 3
Answer: 7.6666666666667