Summary
In “Double Doors, Double Locked,” the Numberblocks double a number by adding it to itself. A full episode (4:30) from the BAFTA-winning maths series — quick to drop into a maths warm-up or centre.
Viewer safety
All ages
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Teaching resources
Discussion questions
Discussion
“Double Doors, Double Locked” helps children double a number by adding it to itself.
- What does it mean to double a number?
- What do you get when you double the number in this episode?
- How is doubling the same as adding a number to itself?
Quick work-a-long
Vocabulary: double, twice, add, same, twin.
Try it: Double three different numbers and write each as an addition (for example double 4 = 4 + 4 = 8).