Keystones — Bedrock
Five GCSE retrieval questions · 10 January 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 49
Answer: 26 + 49 = 75 -
2. Algebra Substitution
If x = 2, find the value of 6x + 9
Answer: 21 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 20, 18, 8, 20, 16
Answer: 16.4