Keystones — Bedrock
Five GCSE retrieval questions · 27 February 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 75 + 66
Answer: 75 + 66 = 141 -
2. Algebra Substitution
If x = 3, find the value of 4x + 3
Answer: 15 -
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: 19, 7, 3, 15
Answer: 11