Keystones — Bedrock
Five GCSE retrieval questions · 27 April 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 50 + 86
Answer: 50 + 86 = 136 -
2. Algebra Substitution
If x = 5, find the value of 2x + 6
Answer: 16 -
3. Geometry Converting lengths
Convert 42cm to mm
Answer: 420mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:10
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 16, 7, 3, 16
Answer: 10.5