Keystones — Bedrock
Five GCSE retrieval questions · 25 September 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 58
Answer: 32 + 58 = 90 -
2. Algebra Substitution
If x = 7, find the value of 8x + 12
Answer: 68 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:25
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 9, 13, 18, 12
Answer: 13