Keystones — Bedrock
Five GCSE retrieval questions · 15 September 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 64 + 75
Answer: 64 + 75 = 139 -
2. Algebra Substitution
If x = 4, find the value of 6x + 10
Answer: 34 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:8
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 4, 11, 10, 15
Answer: 10