Keystones — Bedrock
Five GCSE retrieval questions · 26 October 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 30
Answer: 28 + 30 = 58 -
2. Algebra Substitution
If x = 7, find the value of 2x + 6
Answer: 20 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:15
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 3, 18, 9, 12, 13
Answer: 11