Keystones — Bedrock
Five GCSE retrieval questions · 20 February 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 28
Answer: 47 + 28 = 75 -
2. Algebra Substitution
If x = 10, find the value of 8x + 3
Answer: 83 -
3. Geometry Converting lengths
Convert 16cm to mm
Answer: 160mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 10, 12, 12
Answer: 11.333333333333