Keystones — Bedrock
Five GCSE retrieval questions · 13 August 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 48
Answer: 29 + 48 = 77 -
2. Algebra Substitution
If x = 8, find the value of 3x + 3
Answer: 27 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:24
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 19, 15, 12, 2, 17
Answer: 13