Keystones — Bedrock
Five GCSE retrieval questions · 2 May 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 13
Answer: 42 + 13 = 55 -
2. Algebra Substitution
If x = 5, find the value of 4x + 8
Answer: 28 -
3. Geometry Converting lengths
Convert 46cm to mm
Answer: 460mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:14
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 23, 15, 5, 15, 12
Answer: 14