Keystones — Bedrock
Five GCSE retrieval questions · 11 December 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 13
Answer: 21 + 13 = 34 -
2. Algebra Substitution
If x = 3, find the value of 7x + 11
Answer: 32 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:28
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 4, 14, 3
Answer: 7