1.6 · The four operationsLesson 10 of 12
The four operations: timed practice
A timed round of non-calculator sums with negatives, decimals and fractions, each with a worked answer.
Locked
Unlock the rest of Cambridge O Level Mathematics: Number (4024).
- Every lesson, every resource, unlocked instantly.
- Track progress and pick up where you left off.
- Free preview lessons stay readable from the outline.