Keystones — Bedrock
Five GCSE retrieval questions · 17 December 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 29
Answer: 46 + 29 = 75 -
2. Algebra Substitution
If x = 10, find the value of 8x + 9
Answer: 89 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:4
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 3, 6, 20, 15
Answer: 11