Keystones — Bedrock
Five GCSE retrieval questions · 14 April 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 25
Answer: 27 + 25 = 52 -
2. Algebra Substitution
If x = 2, find the value of 6x + 6
Answer: 18 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:21
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 3, 7, 12, 2
Answer: 6