Keystones — Bedrock
Five GCSE retrieval questions · 26 November 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 19
Answer: 13 + 19 = 32 -
2. Algebra Substitution
If x = 9, find the value of 6x + 8
Answer: 62 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:16
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 17, 13, 11, 19
Answer: 15