Keystones — Bedrock
Five GCSE retrieval questions · 26 April 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 48
Answer: 39 + 48 = 87 -
2. Algebra Substitution
If x = 4, find the value of 6x + 11
Answer: 35 -
3. Geometry Converting lengths
Convert 19cm to mm
Answer: 190mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:16
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 15, 9, 12, 16
Answer: 13