Keystones — Bedrock
Five GCSE retrieval questions · 20 March 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 47
Answer: 29 + 47 = 76 -
2. Algebra Substitution
If x = 3, find the value of 3x + 9
Answer: 18 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 15, 14, 19, 9
Answer: 14.25