Summary
“Composing Numbers & Decomposing Numbers! (Mini Math Movies)” is a Scratch Garden song-and-animation that teaches composing and decomposing numbers — building and breaking them apart. A short, catchy video — easy to drop into a math lesson, a warm-up, or a transition.
Viewer safety
All ages
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Teaching resources
Discussion questions
Discussion
Numbers can be built from smaller numbers and broken back apart — for example, 10 is 7 and 3, or 6 and 4.
- What smaller numbers made the number in this song?
- Can you find another way to make the same number?
- How is breaking a number apart useful when you add or subtract?
Quick work-a-long
Vocabulary: compose, decompose, part, whole, number bond.
Try it: Pick a number and write two different ways to make it (for example 8 = 5 + 3 = 6 + 2).