Keystones — Bedrock
Five GCSE retrieval questions · 21 October 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 22
Answer: 35 + 22 = 57 -
2. Algebra Substitution
If x = 9, find the value of 6x + 3
Answer: 57 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:12
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 20, 17, 9, 5
Answer: 12.75