This video explains how to add mixed numbers with unlike denominators using area models. They review important concepts such as the numerator and denominator of a fraction, the need for a common unit when adding or subtracting, and the...

In this video, students learn about the similarities and differences between ratios and fractions. They explore how ratios can be written as fractions, but not all ratios are actually fractions.

This video is a review of basic arithmetic for the purpose of solving problems on the quantitative reasoning section of the GRE revised General Test. This video covers the basics of fractions. Topic covered: division of fractions,...

In this video I show you how to add, subtract, multiply and divide fractions by working through 52 different examples. I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those...

In this video lesson, students learn how to solve division problems by partitioning the whole. The instructor explains the concept using fraction bars and fractional amounts. Through examples and explanations, students understand how to...

👉 Learn how to find the domain of rational functions with a radical numerator. Recall that the domain of a function is the set of possible input values (x-values) of the function. For a rational function, the denominator cannot be zero...

This program covers part 1 of the very important topic of the atomic theory of matter. We discuss how atoms combine together to form new compounds. Students review the law of conservation of mass and how the mass of the substances at the...

This video is answering the question of what is a fraction.

Making sense of dividing Rational Expressions

This program covers the important topic of units and unit conversions in chemistry. We begin by discussing the primary units that will be used throughout the course. Next, we illustrate a very powerful technique to convert from one unit...

In this video, students learn how to write fractions as decimal numbers using a thousands grid. The video explains the relationship between the denominator of a fraction and the number of decimal places in a decimal number.

Representing fractions using visual models.

Introducing fractions.

In this video, students are taught how to measure objects to the nearest half and quarter inch using a ruler. They learn to identify whole units and record them as whole numbers, as well as identify the fractional part and record it...

In this video lesson we will learn how to divide integers. We will learn about the Division Properties of Zero and discuss why any value divided by zero is undefined. You will learn that integers with the same sign have a positive...

Understanding equivalent fractions.

In this video lesson, students will learn how to find a common denominator for fractions with unlike denominators by creating area models. The video explains the key concepts of fractions, including the numerator and denominator, and...

In this video, the teacher explains how to subtract fractions with different denominators using fraction bars as a visual model. The example of subtracting 8/9 minus 2/3 is shown, demonstrating the process of finding a common denominator...

Learn how to add fractions with different denominators using fraction bars as a visual model. Students are guided through examples, learning how to find a common denominator and add the numerators. The lesson emphasizes the importance of...

In this video lesson, students will learn how to define percents by using ratios. The teacher explains the concept of ratios and demonstrates different ways to write them. The teacher also clarifies the difference between a percent and a...

In this video, you will learn how to subtract fractions with unlike denominators by creating area models. The teacher explains the key concepts of fractions, common denominators, and the importance of using a common unit when subtracting...

This video goes over a couple of examples showing how to simplify and evaluate algebraic expressions with and without grouping symbols.

In this video, students learn how to use benchmark fractions to estimate the sums and differences of fractions in story problems. The teacher explains the concept of benchmark fractions using the dollar and number line representations.

In this video, students will learn how to add fractions with unlike denominators by creating area models. Through visual representations and step-by-step explanations, students will understand how to find a common denominator and rename...