Keystones — Bedrock
Five GCSE retrieval questions · 27 September 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 40 + 40
Answer: 40 + 40 = 80 -
2. Algebra Substitution
If x = 4, find the value of 8x + 5
Answer: 37 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:20
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 15, 17, 7
Answer: 13