Keystones — Bedrock
Five GCSE retrieval questions · 20 August 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 88 + 37
Answer: 88 + 37 = 125 -
2. Algebra Substitution
If x = 9, find the value of 4x + 3
Answer: 39 -
3. Geometry Converting lengths
Convert 29cm to mm
Answer: 290mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:6
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 12, 16, 19, 17, 5
Answer: 13.8