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# Teens as sums with 10

Sal looks at the 1 in each teen number and thinks about what it really means. Created by Sal Khan.

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# Teens as sums with 10

Current time:0:00Total duration:3:00

0 energy points

Ready to check your understanding?Practice this concept

Sal looks at the 1 in each teen number and thinks about what it really means. Created by Sal Khan.