Sophia: Representing Rational Numbers Using Variables: Lesson 9

A rational number is a ratio of two integers. Discuss with your class how to convert the rational numbers of repeating decimals to fractions. A good commentary on letting x equal the repeating decimal and multiplying each side of...

Eight different numbers are listed for mathematics masters to analyze. They simply tell if each number is rational or irrational. They can also explain their reasoning. A simple and straightforward learning exercise that is a handy tool...

Practicing dividing fractions first in a straightforward equation, Sal translates those skills for use in a word problem later in the video. This lesson would be helpful for those who struggle to understand what word problems are truly...

The last video in a series about imaginary numbers demonstrates the need for complex numbers. Math pupils learn that they need to include the square root of negative one, the building block of the complex...

This lesson demonstrates how to represent rational numbers using variables. It is 1 of 9 in the series titled "Representing Rational Numbers Using Variables."

This lesson demonstrates how to represent rational numbers using variables. It is 7 of 9 in the series titled "Representing Rational Numbers Using Variables."

Represent a rational number as a variable and take a quiz to assess understanding.

Determine how to divide rational numbers using the multiplicative inverse. Assess learning with a quiz.

Explore how the multiplicative inverse can be used to divide rational numbers. Assess learning with a quiz.

Learners discuss the relationship between and the equivalent forms of rational numbers. They will convert numbers from decimals to fractions, understanding they are equivalent, but just different forms.