Keystones — Bedrock
Five GCSE retrieval questions · 12 April 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 15 + 31
Answer: 15 + 31 = 46 -
2. Algebra Substitution
If x = 7, find the value of 8x + 8
Answer: 64 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:8
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 7, 10, 15, 16
Answer: 12