Keystones — Bedrock
Five GCSE retrieval questions · 3 July 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 45
Answer: 33 + 45 = 78 -
2. Algebra Substitution
If x = 9, find the value of 7x + 10
Answer: 73 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:15
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 16, 8, 12, 20
Answer: 14