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Explain that the digits in the numbers 11 to 19 express position on a number line

Lesson 10 / 10

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I can explain that the digits in the numbers 11 to 19 express position on a number line.

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The numbers 11 - 19 can be positioned on a number line. Saying the teen numbers as one ten and __ ones helps you to position them on a number line. There is a link with the position of the numbers 1 - 9 on a number line and the numbers 11 - 29. Knowing one more and one less than a number to 20 can help to estimate the position the teen numbers on a number line.

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