Keystones — Bedrock
Five GCSE retrieval questions · 26 November 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 32
Answer: 33 + 32 = 65 -
2. Algebra Substitution
If x = 8, find the value of 3x + 9
Answer: 33 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:16
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 3, 19, 23
Answer: 15