Keystones — Bedrock
Five GCSE retrieval questions · 23 October 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 49
Answer: 26 + 49 = 75 -
2. Algebra Substitution
If x = 8, find the value of 3x + 6
Answer: 30 -
3. Geometry Converting lengths
Convert 6cm to mm
Answer: 60mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:20
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 3, 4, 16
Answer: 7.6666666666667