Keystones — Bedrock
Five GCSE retrieval questions · 2 December 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 51
Answer: 39 + 51 = 90 -
2. Algebra Substitution
If x = 4, find the value of 8x + 9
Answer: 41 -
3. Geometry Converting lengths
Convert 16cm to mm
Answer: 160mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:6
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 22, 5, 9
Answer: 12