Keystones — Bedrock
Five GCSE retrieval questions · 23 June 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 15
Answer: 21 + 15 = 36 -
2. Algebra Substitution
If x = 8, find the value of 2x + 7
Answer: 23 -
3. Geometry Converting lengths
Convert 44cm to mm
Answer: 440mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:12
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 5, 5, 17
Answer: 9