Keystones — Bedrock
Five GCSE retrieval questions · 14 October 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 22
Answer: 32 + 22 = 54 -
2. Algebra Substitution
If x = 2, find the value of 6x + 9
Answer: 21 -
3. Geometry Converting lengths
Convert 5cm to mm
Answer: 50mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:28
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 5, 2, 18, 4, 12
Answer: 8.2