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
TL;DR: Turn fraction-times-whole-number into a road trip on a number line. Each jump is the size of your fraction, and the whole number tells you how many jumps to take starting from 0. For four times one-third, draw four hops of one-third, landing at four-thirds, which is one and one-third. Where you stop is the […]
