Keystones — Bedrock
Five GCSE retrieval questions · 12 February 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 90
Answer: 41 + 90 = 131 -
2. Algebra Substitution
If x = 5, find the value of 8x + 7
Answer: 47 -
3. Geometry Converting lengths
Convert 31cm to mm
Answer: 310mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 11, 10, 2, 2, 5
Answer: 6