Keystones — Bedrock
Five GCSE retrieval questions · 16 February 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 51 + 84
Answer: 51 + 84 = 135 -
2. Algebra Substitution
If x = 6, find the value of 7x + 11
Answer: 53 -
3. Geometry Converting lengths
Convert 37cm to mm
Answer: 370mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:24
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 18, 20, 10
Answer: 16