Skill: Locate numbers on a number line

Explanation and Free Practice Resources

A number line represents whole numbers in order, with 0 as a starting point and equal unit intervals so that each position corresponds to a quantity. The learner locates and identifies numbers within 0–100, uses counting and tens benchmarks to determine positions, and reasons about which numbers come before, after, or between others; fractional, negative, and larger-number locations are not included.

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Detailed Explanation: Locate numbers on a number line

A number line shows numbers in order. Each equal space stands for $1$ . Start at $0$ , then count to the right: $(1,2,3,\ldots)$ .

Example: Locate $(24)$ .

Find the tens numbers near $(24)$ : $(20)$ and $(30)$ . So, $(24)$ is between $(20)$ and $(30)$ .
Start at $(20)$ .
Count $4$ spaces to the right:

20\to21\to22\to23\to24

The fourth space after $(20)$ is $(24)$ .

20\quad|\quad21\quad|\quad22\quad|\quad23\quad|\quad\boxed{24}\quad|\quad25\quad|\quad\cdots\quad|\quad30

So, place or identify $(24)$ between $(23)$ and $(25)$ .

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Number Line - Positive Integers, Read Number - From Ticks

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