Keystones — Bedrock
Five GCSE retrieval questions · 1 February 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 87
Answer: 28 + 87 = 115 -
2. Algebra Substitution
If x = 7, find the value of 3x + 12
Answer: 33 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:8
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 13, 8, 11
Answer: 10.666666666667