Keystones — Bedrock
Five GCSE retrieval questions · 31 January 2016 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 27 + 54
Answer: 27 + 54 = 81 -
2. Algebra Substitution
If x = 9, find the value of 5x + 5
Answer: 50 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:40
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 19, 10, 7
Answer: 12