Keystones — Bedrock
Five GCSE retrieval questions · 8 June 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 29
Answer: 29 + 29 = 58 -
2. Algebra Substitution
If x = 3, find the value of 3x + 9
Answer: 18 -
3. Geometry Converting lengths
Convert 33cm to mm
Answer: 330mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:16
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 19, 12, 8
Answer: 13