Keystones — Bedrock
Five GCSE retrieval questions · 8 September 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 23
Answer: 35 + 23 = 58 -
2. Algebra Substitution
If x = 2, find the value of 8x + 4
Answer: 20 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:28
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 14, 6, 8, 16
Answer: 11