Keystones — Bedrock
Five GCSE retrieval questions · 16 October 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 49
Answer: 13 + 49 = 62 -
2. Algebra Substitution
If x = 4, find the value of 6x + 6
Answer: 30 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:6
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 10, 9, 2
Answer: 7