Keystones — Bedrock
Five GCSE retrieval questions · 20 September 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 47
Answer: 17 + 47 = 64 -
2. Algebra Substitution
If x = 6, find the value of 8x + 10
Answer: 58 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:10
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 11, 3, 17, 9
Answer: 10