Keystones — Bedrock
Five GCSE retrieval questions · 17 June 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 61 + 35
Answer: 61 + 35 = 96 -
2. Algebra Substitution
If x = 6, find the value of 3x + 7
Answer: 25 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:24
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 3, 8, 13
Answer: 8