Keystones — Bedrock
Five GCSE retrieval questions · 13 July 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 98 + 53
Answer: 98 + 53 = 151 -
2. Algebra Substitution
If x = 2, find the value of 8x + 7
Answer: 23 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:25
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 13, 2, 16, 9, 5
Answer: 9