Keystones — Bedrock
Five GCSE retrieval questions · 18 May 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 64
Answer: 44 + 64 = 108 -
2. Algebra Substitution
If x = 9, find the value of 8x + 3
Answer: 75 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:18
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 8, 9, 15, 8
Answer: 10