Keystones — Bedrock
Five GCSE retrieval questions · 10 September 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 78 + 98
Answer: 78 + 98 = 176 -
2. Algebra Substitution
If x = 4, find the value of 8x + 4
Answer: 36 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:32
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 19, 12, 6, 7, 11
Answer: 11