Keystones — Bedrock
Five GCSE retrieval questions · 19 March 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 58
Answer: 39 + 58 = 97 -
2. Algebra Substitution
If x = 8, find the value of 5x + 5
Answer: 45 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:40
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 5, 19, 2
Answer: 8.6666666666667