Keystones — Bedrock
Five GCSE retrieval questions · 22 October 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 50 + 25
Answer: 50 + 25 = 75 -
2. Algebra Substitution
If x = 5, find the value of 7x + 7
Answer: 42 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:12
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 18, 9, 7
Answer: 11.333333333333