2.2.3.04: Represent whole numbers as lengths from 0 on a number line with equally spaced points corresponding to the numbers 0, 1, 2, ... Represent whole-number sums and differences, within 100, on a number line.

Represent whole numbers as lengths from 0 on a number line with equally spaced points corresponding to the numbers 0, 1, 2, ... Represent whole-number sums and differences, within 100, on a number line.

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