Keystones — Bedrock
Five GCSE retrieval questions · 13 April 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 61 + 37
Answer: 61 + 37 = 98 -
2. Algebra Substitution
If x = 8, find the value of 4x + 10
Answer: 42 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:35
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 15, 2, 7, 20
Answer: 11