Keystones — Bedrock
Five GCSE retrieval questions · 6 March 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 19
Answer: 36 + 19 = 55 -
2. Algebra Substitution
If x = 6, find the value of 7x + 4
Answer: 46 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:6
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 12, 16, 7, 15, 10
Answer: 12