Keystones — Bedrock
Five GCSE retrieval questions · 5 September 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 49
Answer: 42 + 49 = 91 -
2. Algebra Substitution
If x = 6, find the value of 4x + 12
Answer: 36 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:6
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 5, 17, 19, 19, 10
Answer: 14