Keystones — Bedrock
Five GCSE retrieval questions · 6 April 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 85 + 27
Answer: 85 + 27 = 112 -
2. Algebra Substitution
If x = 2, find the value of 3x + 9
Answer: 15 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:21
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 13, 13, 15, 5, 4
Answer: 10