Keystones — Bedrock
Five GCSE retrieval questions · 16 June 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 63 + 25
Answer: 63 + 25 = 88 -
2. Algebra Substitution
If x = 9, find the value of 4x + 12
Answer: 48 -
3. Geometry Converting lengths
Convert 6cm to mm
Answer: 60mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:14
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 15, 23, 7
Answer: 15