Keystones — Bedrock
Five GCSE retrieval questions · 19 January 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 44
Answer: 33 + 44 = 77 -
2. Algebra Substitution
If x = 3, find the value of 8x + 11
Answer: 35 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:28
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 11, 4, 3, 14, 3
Answer: 7