Keystones — Bedrock
Five GCSE retrieval questions · 9 February 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 45 + 31
Answer: 45 + 31 = 76 -
2. Algebra Substitution
If x = 10, find the value of 7x + 6
Answer: 76 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:32
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 17, 9, 13
Answer: 13