Keystones — Bedrock
Five GCSE retrieval questions · 24 December 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 86 + 44
Answer: 86 + 44 = 130 -
2. Algebra Substitution
If x = 7, find the value of 5x + 3
Answer: 38 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:28
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 7, 14, 14, 7
Answer: 10.5