Keystones — Bedrock
Five GCSE retrieval questions · 5 February 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 95 + 96
Answer: 95 + 96 = 191 -
2. Algebra Substitution
If x = 3, find the value of 3x + 9
Answer: 18 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:21
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 16, 10, 16, 2
Answer: 11