Keystones — Bedrock
Five GCSE retrieval questions · 27 September 2010 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 12 + 47
Answer: 12 + 47 = 59 -
2. Algebra Substitution
If x = 9, find the value of 3x + 7
Answer: 34 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 4, 9, 5
Answer: 6