Keystones — Bedrock
Five GCSE retrieval questions · 10 March 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 91 + 44
Answer: 91 + 44 = 135 -
2. Algebra Substitution
If x = 4, find the value of 7x + 3
Answer: 31 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:24
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 18, 12, 3, 14, 18
Answer: 13