Keystones — Bedrock
Five GCSE retrieval questions · 12 October 2017 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 38 + 80
Answer: 38 + 80 = 118 -
2. Algebra Substitution
If x = 9, find the value of 2x + 9
Answer: 27 -
3. Geometry Converting lengths
Convert 46cm to mm
Answer: 460mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:14
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 18, 25, 12, 7, 13
Answer: 15