Keystones — Bedrock
Five GCSE retrieval questions · 6 February 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 23
Answer: 24 + 23 = 47 -
2. Algebra Substitution
If x = 4, find the value of 4x + 11
Answer: 27 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:20
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 4, 12, 4, 16, 24
Answer: 12