Keystones — Bedrock
Five GCSE retrieval questions · 13 March 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 11 + 39
Answer: 11 + 39 = 50 -
2. Algebra Substitution
If x = 4, find the value of 7x + 9
Answer: 37 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 14, 4, 11, 19
Answer: 12