Keystones — Bedrock
Five GCSE retrieval questions · 25 December 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 19 + 38
Answer: 19 + 38 = 57 -
2. Algebra Substitution
If x = 5, find the value of 7x + 12
Answer: 47 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:8
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 4, 12, 18, 4
Answer: 9.5