Keystones — Bedrock
Five GCSE retrieval questions · 25 February 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 30
Answer: 21 + 30 = 51 -
2. Algebra Substitution
If x = 10, find the value of 5x + 3
Answer: 53 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:10
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 5, 11, 10, 10
Answer: 9