Keystones — Bedrock
Five GCSE retrieval questions · 26 December 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 51
Answer: 23 + 51 = 74 -
2. Algebra Substitution
If x = 4, find the value of 4x + 12
Answer: 28 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:15
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 18, 17, 17, 6, 16
Answer: 14.8