Keystones — Bedrock
Five GCSE retrieval questions · 14 May 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 21
Answer: 48 + 21 = 69 -
2. Algebra Substitution
If x = 8, find the value of 3x + 7
Answer: 31 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:20
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 8, 2, 10, 11, 14
Answer: 9