Keystones — Bedrock
Five GCSE retrieval questions · 15 April 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 48
Answer: 47 + 48 = 95 -
2. Algebra Substitution
If x = 3, find the value of 5x + 9
Answer: 24 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 9, 19, 5, 2, 7
Answer: 8.4