Keystones — Bedrock
Five GCSE retrieval questions · 26 July 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 19 + 13
Answer: 19 + 13 = 32 -
2. Algebra Substitution
If x = 4, find the value of 5x + 12
Answer: 32 -
3. Geometry Converting lengths
Convert 35cm to mm
Answer: 350mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:10
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 17, 5, 16, 8, 19
Answer: 13