Number and operations

3.2(C)

Number Lines Help You Round

Represent a number on a number line as being between two consecutive multiples of 10; 100; 1,000; or 10,000 and use words to describe relative size of numbers in order to round whole numbers.

Part of The student applies mathematical process standards to represent and compare whole numbers and understand relationships related to place value

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Intro

Rounding on a Number Line

Today you will place a number on a number line between two consecutive multiples and use words to tell which one it is close to, so you can round the number. Consecutive multiples are two skip-counting numbers in a row, like 40 and 50 when you count by tens.