Keystones — Bedrock
Five GCSE retrieval questions · 21 February 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 63 + 48
Answer: 63 + 48 = 111 -
2. Algebra Substitution
If x = 6, find the value of 6x + 11
Answer: 47 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:16
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 20, 13, 8, 11, 18
Answer: 14