Keystones — Bedrock
Five GCSE retrieval questions · 21 April 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 21
Answer: 29 + 21 = 50 -
2. Algebra Substitution
If x = 10, find the value of 8x + 6
Answer: 86 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:16
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 3, 6, 24
Answer: 11