Keystones — Bedrock
Five GCSE retrieval questions · 23 December 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 25
Answer: 17 + 25 = 42 -
2. Algebra Substitution
If x = 8, find the value of 3x + 6
Answer: 30 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:16
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 19, 14, 10, 19, 12
Answer: 14.8