Keystones — Bedrock
Five GCSE retrieval questions · 15 September 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 11 + 31
Answer: 11 + 31 = 42 -
2. Algebra Substitution
If x = 7, find the value of 5x + 9
Answer: 44 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:32
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 11, 11, 13, 10, 20
Answer: 13