Keystones — Bedrock
Five GCSE retrieval questions · 4 March 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 43
Answer: 44 + 43 = 87 -
2. Algebra Substitution
If x = 5, find the value of 3x + 7
Answer: 22 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:24
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 9, 2, 18, 7
Answer: 9