Keystones — Bedrock
Five GCSE retrieval questions · 4 April 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 98 + 88
Answer: 98 + 88 = 186 -
2. Algebra Substitution
If x = 4, find the value of 2x + 5
Answer: 13 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:24
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 13, 2, 18
Answer: 11