Keystones — Bedrock
Five GCSE retrieval questions · 28 October 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 83 + 84
Answer: 83 + 84 = 167 -
2. Algebra Substitution
If x = 10, find the value of 7x + 7
Answer: 77 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 17, 14, 6
Answer: 12.333333333333