Keystones — Bedrock
Five GCSE retrieval questions · 12 October 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 67 + 78
Answer: 67 + 78 = 145 -
2. Algebra Substitution
If x = 8, find the value of 8x + 10
Answer: 74 -
3. Geometry Converting lengths
Convert 19cm to mm
Answer: 190mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:15
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 4, 14, 12, 18
Answer: 12