Summary
In “The Wrong Number,” the Numberblocks compare numbers to see which is greater and which is less. A full episode (4:35) from the BAFTA-winning maths series — quick to drop into a maths warm-up or centre.
Viewer safety
All ages
Common Sense Media — not yet ratedIMDb Parents Guide — not yet rated
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Teaching resources
Discussion questions
Discussion
“The Wrong Number” helps children compare numbers to see which is greater and which is less.
- Which number was the biggest in this episode? How do you know?
- How can you check which of two numbers is greater?
- What does it mean for two numbers to be equal?
Quick work-a-long
Vocabulary: greater, less, equal, more, fewer.
Try it: Pick two numbers and write them with >, <, or = between them.

