Keystones — Bedrock
Five GCSE retrieval questions · 16 August 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 99 + 61
Answer: 99 + 61 = 160 -
2. Algebra Substitution
If x = 4, find the value of 5x + 4
Answer: 24 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 18, 19, 17, 9, 8
Answer: 14.2