Keystones — Bedrock
Five GCSE retrieval questions · 30 April 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 77 + 66
Answer: 77 + 66 = 143 -
2. Algebra Substitution
If x = 8, find the value of 5x + 6
Answer: 46 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:24
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 10, 8, 3
Answer: 7