Keystones — Bedrock
Five GCSE retrieval questions · 6 January 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 98 + 24
Answer: 98 + 24 = 122 -
2. Algebra Substitution
If x = 10, find the value of 2x + 7
Answer: 27 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:8
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 14, 4, 17, 11, 8
Answer: 10.8