Keystones — Bedrock
Five GCSE retrieval questions · 31 December 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 25
Answer: 33 + 25 = 58 -
2. Algebra Substitution
If x = 5, find the value of 2x + 4
Answer: 14 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:40
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 11, 5, 14, 3
Answer: 8.25