Keystones — Bedrock
Five GCSE retrieval questions · 15 October 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 99 + 39
Answer: 99 + 39 = 138 -
2. Algebra Substitution
If x = 3, find the value of 6x + 5
Answer: 23 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:25
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 6, 8, 2, 7
Answer: 5.75