Keystones — Bedrock
Five GCSE retrieval questions · 7 March 2016 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 38 + 40
Answer: 38 + 40 = 78 -
2. Algebra Substitution
If x = 2, find the value of 3x + 4
Answer: 10 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:21
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 13, 18, 19, 18, 7
Answer: 15