Keystones — Bedrock
Five GCSE retrieval questions · 16 June 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 18
Answer: 45 + 18 = 63 -
2. Algebra Substitution
If x = 7, find the value of 6x + 4
Answer: 46 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 14, 8, 16, 23, 14
Answer: 15