To place fractions on a number line, especially for 6th grade, you need to understand how to divide the line into equal parts representing the denominator of the fraction. Here's a step-by-step guide:
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Understand the Basics: A number line represents numbers visually. Between any two whole numbers (like 0 and 1), we can place fractions.
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Divide the Number Line:
- Look at the denominator of the fraction. The denominator tells you how many equal parts to divide the space between two whole numbers into.
- For example, if you want to place 1/4 on a number line, you need to divide the space between 0 and 1 into 4 equal parts. (Reference video 0:16-6:05)
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Mark the Fractions:
- Each mark represents a fraction. If you divided the line between 0 and 1 into 4 parts, the first mark represents 1/4, the second represents 2/4, the third represents 3/4, and the fourth represents 4/4 (which is the same as 1). (Reference video 0:16-6:05)
Example:
Let's place the fractions 1/4, 2/4, and 3/4 on a number line between 0 and 1.
- Draw a line and mark 0 and 1.
- Divide the line between 0 and 1 into four equal parts.
- Label the first mark after 0 as 1/4.
- Label the second mark as 2/4.
- Label the third mark as 3/4.
- The mark at 1 is also 4/4.
Key Points:
- The denominator tells you how many parts to divide the whole into.
- The numerator tells you how many of those parts you have.
- Fractions can be simplified (e.g., 2/4 is the same as 1/2).