Keystones — Bedrock
Five GCSE retrieval questions · 26 December 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 28
Answer: 47 + 28 = 75 -
2. Algebra Substitution
If x = 4, find the value of 5x + 9
Answer: 29 -
3. Geometry Converting lengths
Convert 19cm to mm
Answer: 190mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:28
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 2, 17, 14, 16, 8
Answer: 11.4