Keystones — Bedrock
Five GCSE retrieval questions · 14 March 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 90 + 86
Answer: 90 + 86 = 176 -
2. Algebra Substitution
If x = 7, find the value of 3x + 3
Answer: 24 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:12
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 10, 1, 5, 20
Answer: 9