Keystones — Bedrock
Five GCSE retrieval questions · 20 February 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 45
Answer: 46 + 45 = 91 -
2. Algebra Substitution
If x = 7, find the value of 7x + 3
Answer: 52 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:16
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 2, 13, 16, 19, 4
Answer: 10.8