Keystones — Bedrock
Five GCSE retrieval questions · 5 September 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 64 + 70
Answer: 64 + 70 = 134 -
2. Algebra Substitution
If x = 8, find the value of 7x + 3
Answer: 59 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:8
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 6, 3, 2, 17
Answer: 7