Keystones — Bedrock
Five GCSE retrieval questions · 24 February 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 22
Answer: 31 + 22 = 53 -
2. Algebra Substitution
If x = 7, find the value of 8x + 8
Answer: 64 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:6
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 24, 18, 3, 19, 6
Answer: 14