Keystones — Bedrock
Five GCSE retrieval questions · 2 September 2014 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 37 + 43
Answer: 37 + 43 = 80 -
2. Algebra Substitution
If x = 8, find the value of 4x + 10
Answer: 42 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:12
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 18, 19, 5, 2, 6
Answer: 10