Keystones — Bedrock
Five GCSE retrieval questions · 26 October 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 12 + 30
Answer: 12 + 30 = 42 -
2. Algebra Substitution
If x = 2, find the value of 7x + 5
Answer: 19 -
3. Geometry Converting lengths
Convert 37cm to mm
Answer: 370mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:15
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 10, 10, 10, 6
Answer: 9