Summary
In “Half Time,” the Numberjacks leap out of the sofa to fix a maths problem all about halving and doubling. A full episode (~14 min) from the BBC CBeebies maths-adventure series — a quick, friendly way to anchor a numeracy warm-up or maths centre.
Viewer safety
All ages
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Teaching resources
Discussion questions
Discussion
Doubling makes a number twice as big; halving splits it into two equal parts -- they are opposites.
- What number got doubled or halved in the episode?
- What is double that number? What is half of it?
- How are doubling and halving opposites?
Quick work-a-long
Vocabulary: double, half, twice, equal parts, opposite.
Try it: Pick an even number to 10 -- write its double and its half.