Keystones — Bedrock
Five GCSE retrieval questions · 17 March 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 36
Answer: 38 + 36 = 74 -
2. Algebra Substitution
If x = 9, find the value of 5x + 3
Answer: 48 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 20, 17, 12, 3, 15
Answer: 13.4