Keystones — Bedrock
Five GCSE retrieval questions · 13 December 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 67 + 69
Answer: 67 + 69 = 136 -
2. Algebra Substitution
If x = 2, find the value of 2x + 4
Answer: 8 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 5, 15, 19, 18
Answer: 14.25