Keystones — Bedrock
Five GCSE retrieval questions · 21 January 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 33
Answer: 31 + 33 = 64 -
2. Algebra Substitution
If x = 3, find the value of 3x + 6
Answer: 15 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:20
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 6, 8, 16
Answer: 10