Key Idea1 of 3
Bigger Number Lines
A number line to 1000 has marks at every 100: 0, 100, 200, 300... 1000. To place 450, find 400 and 500, then put 450 right in the middle. The same strategy works: find the hundreds on either side.
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Mathematics — Number Lines 0-1000: Placing, Estimating, and Rounding
A number line to 1000 has marks at every 100: 0, 100, 200, 300... 1000. To place 450, find 400 and 500, then put 450 right in the middle. The same strategy works: find the hundreds on either side.