Keystones — Bedrock
Five GCSE retrieval questions · 18 April 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 83 + 20
Answer: 83 + 20 = 103 -
2. Algebra Substitution
If x = 2, find the value of 2x + 5
Answer: 9 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:9
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 19, 16, 17, 8, 5
Answer: 13