Keystones — Bedrock
Five GCSE retrieval questions · 4 November 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 98
Answer: 42 + 98 = 140 -
2. Algebra Substitution
If x = 3, find the value of 2x + 11
Answer: 17 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 14, 13, 15, 17, 18
Answer: 15.4