Keystones — Bedrock
Five GCSE retrieval questions · 22 January 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 18
Answer: 48 + 18 = 66 -
2. Algebra Substitution
If x = 9, find the value of 2x + 9
Answer: 27 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:21
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 17, 3, 15
Answer: 11.666666666667