Keystones — Bedrock
Five GCSE retrieval questions · 22 November 2019 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 56 + 20
Answer: 56 + 20 = 76 -
2. Algebra Substitution
If x = 3, find the value of 6x + 3
Answer: 21 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 19, 20, 17, 11, 20
Answer: 17.4