Keystones — Bedrock
Five GCSE retrieval questions · 26 March 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 97 + 55
Answer: 97 + 55 = 152 -
2. Algebra Substitution
If x = 10, find the value of 8x + 4
Answer: 84 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:6
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 13, 6, 19, 22
Answer: 15