Keystones — Bedrock
Five GCSE retrieval questions · 27 February 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 74 + 87
Answer: 74 + 87 = 161 -
2. Algebra Substitution
If x = 8, find the value of 5x + 11
Answer: 51 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 4, 8, 15
Answer: 9