Keystones — Bedrock
Five GCSE retrieval questions · 17 April 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 61
Answer: 35 + 61 = 96 -
2. Algebra Substitution
If x = 9, find the value of 8x + 7
Answer: 79 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:40
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 18, 8, 6, 18, 10
Answer: 12