Keystones — Bedrock
Five GCSE retrieval questions · 11 December 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 72 + 78
Answer: 72 + 78 = 150 -
2. Algebra Substitution
If x = 4, find the value of 6x + 5
Answer: 29 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:8
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 19, 8, 12
Answer: 13