Keystones — Bedrock
Five GCSE retrieval questions · 16 January 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 39
Answer: 43 + 39 = 82 -
2. Algebra Substitution
If x = 6, find the value of 8x + 8
Answer: 56 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:20
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 4, 17, 15
Answer: 12