Keystones — Bedrock
Five GCSE retrieval questions · 7 December 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 69 + 53
Answer: 69 + 53 = 122 -
2. Algebra Substitution
If x = 5, find the value of 6x + 9
Answer: 39 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:14
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 9, 17, 8, 17
Answer: 12.75