Keystones — Bedrock
Five GCSE retrieval questions · 24 October 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 51 + 54
Answer: 51 + 54 = 105 -
2. Algebra Substitution
If x = 6, find the value of 8x + 12
Answer: 60 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 17, 19, 16, 20
Answer: 18