Keystones — Bedrock
Five GCSE retrieval questions · 4 June 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 32
Answer: 30 + 32 = 62 -
2. Algebra Substitution
If x = 9, find the value of 4x + 9
Answer: 45 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:15
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 15, 11, 3, 12, 15
Answer: 11.2