Keystones — Bedrock
Five GCSE retrieval questions · 24 June 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 51 + 93
Answer: 51 + 93 = 144 -
2. Algebra Substitution
If x = 7, find the value of 8x + 4
Answer: 60 -
3. Geometry Converting lengths
Convert 25cm to mm
Answer: 250mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:10
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 13, 12, 2
Answer: 9