Keystones — Bedrock
Five GCSE retrieval questions · 6 March 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 88 + 64
Answer: 88 + 64 = 152 -
2. Algebra Substitution
If x = 6, find the value of 7x + 8
Answer: 50 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:9
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 3, 16, 18, 15
Answer: 13