Keystones — Bedrock
Five GCSE retrieval questions · 6 September 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 74 + 39
Answer: 74 + 39 = 113 -
2. Algebra Substitution
If x = 8, find the value of 3x + 11
Answer: 35 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 20, 8, 3, 14, 7
Answer: 10.4