Keystones — Bedrock
Five GCSE retrieval questions · 5 September 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 25
Answer: 45 + 25 = 70 -
2. Algebra Substitution
If x = 7, find the value of 5x + 7
Answer: 42 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:16
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 17, 2, 2, 19
Answer: 10