Keystones — Bedrock
Five GCSE retrieval questions · 12 September 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 80 + 77
Answer: 80 + 77 = 157 -
2. Algebra Substitution
If x = 7, find the value of 2x + 6
Answer: 20 -
3. Geometry Converting lengths
Convert 29cm to mm
Answer: 290mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:18
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 2, 16, 6
Answer: 8