Keystones — Bedrock
Five GCSE retrieval questions · 23 July 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 27
Answer: 33 + 27 = 60 -
2. Algebra Substitution
If x = 3, find the value of 4x + 7
Answer: 19 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:16
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 12, 20, 12, 11
Answer: 13.75