Keystones — Bedrock
Five GCSE retrieval questions · 24 July 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 52
Answer: 41 + 52 = 93 -
2. Algebra Substitution
If x = 7, find the value of 7x + 5
Answer: 54 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:9
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 4, 2, 15, 23
Answer: 11