Keystones — Bedrock
Five GCSE retrieval questions · 9 September 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 69
Answer: 42 + 69 = 111 -
2. Algebra Substitution
If x = 9, find the value of 2x + 3
Answer: 21 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:35
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 14, 13, 11, 3
Answer: 10.25