Keystones — Bedrock
Five GCSE retrieval questions · 16 February 2014 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 48 + 39
Answer: 48 + 39 = 87 -
2. Algebra Substitution
If x = 3, find the value of 6x + 6
Answer: 24 -
3. Geometry Converting lengths
Convert 18cm to mm
Answer: 180mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:6
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 21, 10, 13, 8, 18
Answer: 14