Keystones — Bedrock
Five GCSE retrieval questions · 13 August 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 28
Answer: 38 + 28 = 66 -
2. Algebra Substitution
If x = 6, find the value of 4x + 8
Answer: 32 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:30
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 19, 11, 3, 3
Answer: 9