Keystones — Bedrock
Five GCSE retrieval questions · 3 November 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 54
Answer: 21 + 54 = 75 -
2. Algebra Substitution
If x = 5, find the value of 7x + 5
Answer: 40 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 10, 6, 12, 11
Answer: 9.75