Keystones — Bedrock
Five GCSE retrieval questions · 10 May 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 38
Answer: 38 + 38 = 76 -
2. Algebra Substitution
If x = 4, find the value of 4x + 9
Answer: 25 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 10, 9, 5
Answer: 8