Keystones — Bedrock
Five GCSE retrieval questions · 28 September 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 66 + 43
Answer: 66 + 43 = 109 -
2. Algebra Substitution
If x = 7, find the value of 7x + 9
Answer: 58 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 11, 15, 19, 5, 18
Answer: 13.6