Keystones — Bedrock
Five GCSE retrieval questions · 1 December 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 25
Answer: 39 + 25 = 64 -
2. Algebra Substitution
If x = 3, find the value of 6x + 7
Answer: 25 -
3. Geometry Converting lengths
Convert 37cm to mm
Answer: 370mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 15, 4, 19, 2
Answer: 10