Keystones — Bedrock
Five GCSE retrieval questions · 26 March 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 27
Answer: 20 + 27 = 47 -
2. Algebra Substitution
If x = 4, find the value of 4x + 4
Answer: 20 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:9
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 2, 8, 6, 2
Answer: 4.5