Keystones — Bedrock
Five GCSE retrieval questions · 31 October 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 24
Answer: 23 + 24 = 47 -
2. Algebra Substitution
If x = 7, find the value of 4x + 5
Answer: 33 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:25
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 11, 8, 16, 19, 16
Answer: 14