Keystones — Bedrock
Five GCSE retrieval questions · 9 January 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 32
Answer: 21 + 32 = 53 -
2. Algebra Substitution
If x = 9, find the value of 3x + 10
Answer: 37 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:10
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 10, 16, 20
Answer: 15.333333333333