Keystones — Bedrock
Five GCSE retrieval questions · 1 April 2018 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 39 + 37
Answer: 39 + 37 = 76 -
2. Algebra Substitution
If x = 5, find the value of 6x + 9
Answer: 39 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:20
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 20, 8, 3, 18, 6
Answer: 11