Keystones — Bedrock
Five GCSE retrieval questions · 29 May 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 29
Answer: 27 + 29 = 56 -
2. Algebra Substitution
If x = 6, find the value of 5x + 5
Answer: 35 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:16
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 20, 2, 16, 7, 10
Answer: 11