Keystones — Bedrock
Five GCSE retrieval questions · 2 March 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 48
Answer: 44 + 48 = 92 -
2. Algebra Substitution
If x = 9, find the value of 8x + 9
Answer: 81 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:15
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 9, 10, 8, 9
Answer: 9