Keystones — Bedrock
Five GCSE retrieval questions · 15 October 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 61 + 79
Answer: 61 + 79 = 140 -
2. Algebra Substitution
If x = 7, find the value of 7x + 10
Answer: 59 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:10
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 18, 4, 4, 18
Answer: 11