Keystones — Bedrock
Five GCSE retrieval questions · 7 January 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 88 + 76
Answer: 88 + 76 = 164 -
2. Algebra Substitution
If x = 6, find the value of 6x + 11
Answer: 47 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:4
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 17, 4, 8, 15
Answer: 11