Keystones — Bedrock
Five GCSE retrieval questions · 25 November 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 97 + 77
Answer: 97 + 77 = 174 -
2. Algebra Substitution
If x = 4, find the value of 3x + 9
Answer: 21 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:4
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 14, 4, 19
Answer: 12.333333333333