Keystones — Bedrock
Five GCSE retrieval questions · 7 March 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 14 + 21
Answer: 14 + 21 = 35 -
2. Algebra Substitution
If x = 4, find the value of 3x + 5
Answer: 17 -
3. Geometry Converting lengths
Convert 22cm to mm
Answer: 220mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:8
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 11, 14, 19
Answer: 14.666666666667