Keystones — Bedrock
Five GCSE retrieval questions · 16 October 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 22 + 26
Answer: 22 + 26 = 48 -
2. Algebra Substitution
If x = 7, find the value of 6x + 9
Answer: 51 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:40
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 17, 18, 12, 9
Answer: 14