Keystones — Bedrock
Five GCSE retrieval questions · 5 October 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 43
Answer: 21 + 43 = 64 -
2. Algebra Substitution
If x = 4, find the value of 7x + 4
Answer: 32 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:6
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 18, 2, 2, 2
Answer: 6