Keystones — Bedrock
Five GCSE retrieval questions · 1 October 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 16 + 17
Answer: 16 + 17 = 33 -
2. Algebra Substitution
If x = 9, find the value of 5x + 5
Answer: 50 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 16, 8, 4
Answer: 9.3333333333333