Keystones — Bedrock
Five GCSE retrieval questions · 3 January 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 80 + 97
Answer: 80 + 97 = 177 -
2. Algebra Substitution
If x = 4, find the value of 4x + 5
Answer: 21 -
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: 3, 17, 4, 7, 14
Answer: 9