Keystones — Bedrock
Five GCSE retrieval questions · 12 May 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 62 + 51
Answer: 62 + 51 = 113 -
2. Algebra Substitution
If x = 5, find the value of 2x + 11
Answer: 21 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:15
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 2, 13, 19, 3
Answer: 9.25