Keystones — Bedrock
Five GCSE retrieval questions · 6 November 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 48
Answer: 47 + 48 = 95 -
2. Algebra Substitution
If x = 7, find the value of 4x + 8
Answer: 36 -
3. Geometry Converting lengths
Convert 25cm to mm
Answer: 250mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:12
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 13, 19, 18
Answer: 16.666666666667