Keystones — Bedrock
Five GCSE retrieval questions · 14 April 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 53 + 20
Answer: 53 + 20 = 73 -
2. Algebra Substitution
If x = 9, find the value of 6x + 11
Answer: 65 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:6
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 6, 8, 18, 3, 8
Answer: 8.6