Keystones — Bedrock
Five GCSE retrieval questions · 20 December 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 57 + 67
Answer: 57 + 67 = 124 -
2. Algebra Substitution
If x = 8, find the value of 7x + 5
Answer: 61 -
3. Geometry Converting lengths
Convert 37cm to mm
Answer: 370mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:30
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 17, 9, 16, 17
Answer: 14.75