Keystones — Bedrock
Five GCSE retrieval questions · 10 May 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 45
Answer: 30 + 45 = 75 -
2. Algebra Substitution
If x = 9, find the value of 8x + 7
Answer: 79 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 8, 17, 11
Answer: 12