Keystones — Bedrock
Five GCSE retrieval questions · 8 October 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 81 + 73
Answer: 81 + 73 = 154 -
2. Algebra Substitution
If x = 9, find the value of 4x + 8
Answer: 44 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:16
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 19, 15, 18, 8
Answer: 15