Keystones — Bedrock
Five GCSE retrieval questions · 29 January 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 77 + 83
Answer: 77 + 83 = 160 -
2. Algebra Substitution
If x = 7, find the value of 2x + 4
Answer: 18 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:40
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 8, 20, 14, 8, 7
Answer: 11.4