Keystones — Bedrock
Five GCSE retrieval questions · 18 December 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 21
Answer: 28 + 21 = 49 -
2. Algebra Substitution
If x = 9, find the value of 3x + 9
Answer: 36 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 4, 2, 7
Answer: 4.3333333333333