Keystones — Bedrock
Five GCSE retrieval questions · 16 April 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 59 + 89
Answer: 59 + 89 = 148 -
2. Algebra Substitution
If x = 10, find the value of 8x + 12
Answer: 92 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:30
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 11, 4, 21
Answer: 12