Keystones — Bedrock
Five GCSE retrieval questions · 10 April 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 49
Answer: 41 + 49 = 90 -
2. Algebra Substitution
If x = 3, find the value of 3x + 7
Answer: 16 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:8
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 6, 16, 2, 10
Answer: 8.5