Keystones — Bedrock
Five GCSE retrieval questions · 4 November 2016 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 19 + 38
Answer: 19 + 38 = 57 -
2. Algebra Substitution
If x = 6, find the value of 2x + 9
Answer: 21 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:15
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 17, 3, 1
Answer: 7