Keystones — Bedrock
Five GCSE retrieval questions · 30 January 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 96
Answer: 24 + 96 = 120 -
2. Algebra Substitution
If x = 9, find the value of 8x + 11
Answer: 83 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:10
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 4, 7, 13, 17, 17
Answer: 11.6