Keystones — Bedrock
Five GCSE retrieval questions · 28 March 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 42
Answer: 43 + 42 = 85 -
2. Algebra Substitution
If x = 9, find the value of 3x + 8
Answer: 35 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:25
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 8, 19, 16
Answer: 14.333333333333