Keystones — Bedrock
Five GCSE retrieval questions · 6 February 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 65 + 41
Answer: 65 + 41 = 106 -
2. Algebra Substitution
If x = 9, find the value of 8x + 8
Answer: 80 -
3. Geometry Converting lengths
Convert 42cm to mm
Answer: 420mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:21
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 4, 12, 2
Answer: 6