Keystones — Bedrock
Five GCSE retrieval questions · 2 October 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 62
Answer: 38 + 62 = 100 -
2. Algebra Substitution
If x = 8, find the value of 3x + 9
Answer: 33 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:24
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 12, 15, 6, 10
Answer: 10.75