Keystones — Bedrock
Five GCSE retrieval questions · 30 September 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 70
Answer: 24 + 70 = 94 -
2. Algebra Substitution
If x = 5, find the value of 5x + 5
Answer: 30 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:20
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 3, 20, 8
Answer: 10.333333333333