Keystones — Bedrock
Five GCSE retrieval questions · 16 March 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 83 + 67
Answer: 83 + 67 = 150 -
2. Algebra Substitution
If x = 5, find the value of 3x + 10
Answer: 25 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:16
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 14, 17, 18, 10, 12
Answer: 14.2