Keystones — Bedrock
Five GCSE retrieval questions · 14 June 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 33
Answer: 32 + 33 = 65 -
2. Algebra Substitution
If x = 7, find the value of 5x + 11
Answer: 46 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:25
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 14, 10, 3, 8, 13
Answer: 9.6