Keystones — Bedrock
Five GCSE retrieval questions · 8 February 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 28
Answer: 23 + 28 = 51 -
2. Algebra Substitution
If x = 3, find the value of 8x + 7
Answer: 31 -
3. Geometry Converting lengths
Convert 37cm to mm
Answer: 370mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:9
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 15, 3, 19, 8, 15
Answer: 12