Keystones — Bedrock
Five GCSE retrieval questions · 23 September 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 16
Answer: 49 + 16 = 65 -
2. Algebra Substitution
If x = 8, find the value of 5x + 3
Answer: 43 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:12
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 10, 11, 16, 10, 3
Answer: 10