Keystones — Bedrock
Five GCSE retrieval questions · 15 July 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 98 + 57
Answer: 98 + 57 = 155 -
2. Algebra Substitution
If x = 3, find the value of 5x + 6
Answer: 21 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:15
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 20, 10, 17, 14, 10
Answer: 14.2