Keystones — Bedrock
Five GCSE retrieval questions · 21 September 2019 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 28 + 38
Answer: 28 + 38 = 66 -
2. Algebra Substitution
If x = 10, find the value of 6x + 12
Answer: 72 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:20
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 8, 9, 8
Answer: 8.3333333333333