Keystones — Bedrock
Five GCSE retrieval questions · 3 March 2011 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 90 + 50
Answer: 90 + 50 = 140 -
2. Algebra Substitution
If x = 3, find the value of 7x + 6
Answer: 27 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:14
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 9, 3, 9, 11
Answer: 8