Keystones — Bedrock
Five GCSE retrieval questions · 13 January 2020 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 80 + 36
Answer: 80 + 36 = 116 -
2. Algebra Substitution
If x = 8, find the value of 7x + 12
Answer: 68 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:21
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 15, 17, 5, 4, 12
Answer: 10.6