Keystones — Bedrock
Five GCSE retrieval questions · 13 February 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 80 + 39
Answer: 80 + 39 = 119 -
2. Algebra Substitution
If x = 10, find the value of 8x + 9
Answer: 89 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:18
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 17, 14, 14
Answer: 15