Keystones — Bedrock
Five GCSE retrieval questions · 4 February 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 15
Answer: 33 + 15 = 48 -
2. Algebra Substitution
If x = 5, find the value of 6x + 6
Answer: 36 -
3. Geometry Converting lengths
Convert 16cm to mm
Answer: 160mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:8
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 9, 11, 7
Answer: 9