Keystones — Bedrock
Five GCSE retrieval questions · 26 February 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 44
Answer: 38 + 44 = 82 -
2. Algebra Substitution
If x = 4, find the value of 8x + 9
Answer: 41 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 2, 2, 3, 6, 17
Answer: 6