Keystones — Bedrock
Five GCSE retrieval questions · 14 February 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 34
Answer: 13 + 34 = 47 -
2. Algebra Substitution
If x = 3, find the value of 7x + 9
Answer: 30 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:15
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 19, 8, 10, 19, 18
Answer: 14.8