Keystones — Bedrock
Five GCSE retrieval questions · 14 August 2017 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 78 + 20
Answer: 78 + 20 = 98 -
2. Algebra Substitution
If x = 6, find the value of 6x + 10
Answer: 46 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:4
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 12, 14, 12, 10, 7
Answer: 11