Keystones — Bedrock
Five GCSE retrieval questions · 16 March 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 39
Answer: 49 + 39 = 88 -
2. Algebra Substitution
If x = 10, find the value of 4x + 3
Answer: 43 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 17, 3, 2, 2, 3
Answer: 5.4