Keystones — Bedrock
Five GCSE retrieval questions · 25 January 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 98 + 94
Answer: 98 + 94 = 192 -
2. Algebra Substitution
If x = 8, find the value of 3x + 9
Answer: 33 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:16
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 9, 4, 2
Answer: 5