Keystones — Bedrock
Five GCSE retrieval questions · 26 March 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 66 + 66
Answer: 66 + 66 = 132 -
2. Algebra Substitution
If x = 7, find the value of 3x + 11
Answer: 32 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:30
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 4, 19, 16
Answer: 13