Use a number line to position and estimate the numbers 20-99
Lesson 5 / 5
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Lesson outcome
I can position the numbers 20-99 on a number line including in the context of measures.
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We can use the intervals on a number line to help us find and position other numbers.
The multiples of ten can help us find which decade a number is in.
The midpoint we refer to is halfway between each multiple of ten.
The midpoint we refer to has a ones digit of five.
The midpoint can help us position numbers that are not close to a multiple of ten.
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