Keystones — Bedrock
Five GCSE retrieval questions · 5 September 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 47
Answer: 43 + 47 = 90 -
2. Algebra Substitution
If x = 4, find the value of 7x + 3
Answer: 31 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:12
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 2, 12, 15, 19
Answer: 12