Keystones — Bedrock
Five GCSE retrieval questions · 6 March 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 96 + 20
Answer: 96 + 20 = 116 -
2. Algebra Substitution
If x = 7, find the value of 2x + 7
Answer: 21 -
3. Geometry Converting lengths
Convert 31cm to mm
Answer: 310mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:15
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 9, 16, 2
Answer: 9