Keystones — Bedrock
Five GCSE retrieval questions · 22 November 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 14 + 15
Answer: 14 + 15 = 29 -
2. Algebra Substitution
If x = 9, find the value of 8x + 9
Answer: 81 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 6, 7, 4
Answer: 5.6666666666667