Keystones — Bedrock
Five GCSE retrieval questions · 12 January 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 89 + 99
Answer: 89 + 99 = 188 -
2. Algebra Substitution
If x = 7, find the value of 6x + 11
Answer: 53 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:8
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 18, 2, 10
Answer: 10