Keystones — Bedrock
Five GCSE retrieval questions · 21 May 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 66 + 94
Answer: 66 + 94 = 160 -
2. Algebra Substitution
If x = 3, find the value of 5x + 7
Answer: 22 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:12
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 20, 11, 14
Answer: 15