Keystones — Bedrock
Five GCSE retrieval questions · 13 December 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 27
Answer: 33 + 27 = 60 -
2. Algebra Substitution
If x = 8, find the value of 4x + 9
Answer: 41 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:35
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 15, 14, 8, 16, 18
Answer: 14.2