Keystones — Bedrock
Five GCSE retrieval questions · 2 September 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 39
Answer: 44 + 39 = 83 -
2. Algebra Substitution
If x = 10, find the value of 8x + 6
Answer: 86 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:14
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 15, 15, 12
Answer: 14