Keystones — Bedrock
Five GCSE retrieval questions · 9 October 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 19 + 47
Answer: 19 + 47 = 66 -
2. Algebra Substitution
If x = 8, find the value of 8x + 5
Answer: 69 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:30
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 14, 17, 2, 11
Answer: 11