Keystones — Bedrock
Five GCSE retrieval questions · 7 September 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 70 + 24
Answer: 70 + 24 = 94 -
2. Algebra Substitution
If x = 10, find the value of 7x + 10
Answer: 80 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:10
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 2, 13, 18
Answer: 11