Number Lines

Search in Number Lines articles.

How to Understand the Real Number Line

How to Understand the Real Number Line

Step 1: Distinction Between Rational and Irrational Numbers Rational Numbers (Q): These can be expressed as the quotient or fraction \(\frac{p}{q}\)​ of two integers, where \(p\) (numerator) and \(q\) (denominator) are integers and \(q≠0\). Examples include \(\frac{1}{2}, 5, -3\), etc. Irrational Numbers: Numbers that can’t be written as simple fractions or ratios. This set includes […]

Stretching the Line: How to Multiply Fractions by Whole Numbers with Number Lines

Stretching the Line: How to Multiply Fractions by Whole Numbers with Number Lines

Quick answer: To multiply a whole number by a fraction on a number line, start at 0 and make equal jumps the size of the fraction, as many jumps as the whole number. Where you land is the product. Example: 3 × ⅖ means three jumps of ⅖, landing on 6/5, or 1⅕. Key takeaways: […]

How to Use Number Lines to Add and Subtract Fractions with Like Denominators

How to Use Number Lines to Add and Subtract Fractions with Like Denominators

How to Use Number Lines to Identify Equivalent Fractions?

How to Use Number Lines to Identify Equivalent Fractions?