Keystones — Bedrock
Five GCSE retrieval questions · 12 September 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 97 + 33
Answer: 97 + 33 = 130 -
2. Algebra Substitution
If x = 5, find the value of 8x + 7
Answer: 47 -
3. Geometry Converting lengths
Convert 6cm to mm
Answer: 60mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:6
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 13, 9, 11, 3
Answer: 9