Keystones — Bedrock
Five GCSE retrieval questions · 8 October 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 32
Answer: 23 + 32 = 55 -
2. Algebra Substitution
If x = 10, find the value of 6x + 11
Answer: 71 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:16
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 9, 16, 12, 19
Answer: 14