Keystones — Bedrock
Five GCSE retrieval questions · 17 September 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 88 + 50
Answer: 88 + 50 = 138 -
2. Algebra Substitution
If x = 4, find the value of 3x + 7
Answer: 19 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 10, 2, 19, 14
Answer: 11.25