Keystones — Bedrock
Five GCSE retrieval questions · 14 April 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 48
Answer: 29 + 48 = 77 -
2. Algebra Substitution
If x = 2, find the value of 8x + 8
Answer: 24 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:40
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 9, 12, 3
Answer: 8