Keystones — Bedrock
Five GCSE retrieval questions · 21 October 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 38
Answer: 41 + 38 = 79 -
2. Algebra Substitution
If x = 6, find the value of 3x + 3
Answer: 21 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 6, 14, 20
Answer: 13.333333333333