Keystones — Bedrock
Five GCSE retrieval questions · 21 April 2019 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 15 + 31
Answer: 15 + 31 = 46 -
2. Algebra Substitution
If x = 9, find the value of 4x + 4
Answer: 40 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:6
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 11, 17, 8, 18, 10
Answer: 12.8