It explains operations such as division, multiplication, addition and subtraction on real numbers with the help of examples and activity.

In this video, the teacher explains how to subtract polynomials by changing subtraction to addition. They review the concept of subtracting as adding the opposite and the distribution property. The teacher also emphasizes the importance...

👉 Learn how to evaluate the integral of a function. The integral, also called antiderivative, of a function, is the reverse process of differentiation. Integral of a function can be evaluated as indefinite integral or as a definite...

The video is a lecture presentation on algebraic notation. It explains what algebra is and the language we use to communicate mathematical information. The video also covers shortcuts and notations used in algebra, such as squashing...

👉 Learn how to add or subtract two functions. Given two functions, say f(x) and g(x), to add (f+g)(x) or f(x) + g(x) or to subtract (f - g)(x) or f(x) - g(x) the two functions we use the method of adding/subtracting algebraic expressions...

Subtract two integers.

Master Adding and Subtracting Complex Numbers

👉 Learn all about the slope of a line. The slope of a line is the steepness of the line. The horizontal line has a zero slope while the vertical line has an undefined slope. To determine the slope of a line, we need to know the...

Add and subtract mixed numbers with equal denominators using the number line.

👉 Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...

Master Solving a system of equations by graphing

In this video lesson we will review how to add, subtract, multiply and divide decimals. We will review the rules and procedures on how to set up and solve each type of problem. We will review how to place the decimal point while...

But how do we order negative numbers, or, more generally, integer numbers? Let’s do it step by step. First, we should figure out what a negative number is in real life. We can quite easily imagine what it means to have £1000. But what...

This video provides a tutorial on solving standard form problems in mathematics. The instructor explains the key steps involved in deciphering word problems, highlighting important terms, and carrying out operations such as addition,...

Learn how to write the equation of hyperbolas given the characteristics of the hyperbolas. The standard form of the equation of a hyperbola is of the form: (x - h)^2 / a^2 - (y - k)^2 / b^2 = 1 for horizontal hyperbola or (y - k)^2 / a^2...

In this video lesson, students will learn how to solve subtraction word problems by identifying key vocabulary. The teacher provides examples and guides students in recognizing keywords and phrases that indicate subtraction.

In this video lesson, students learn how to subtract using a hundreds chart. The teacher demonstrates the process by solving two subtraction problems step-by-step, showing how to decompose numbers and use the chart to find the difference.

Kids love this engaging way of learning basic addition and subtraction facts by performing along with D.J. Doc Roc and the Get Smart Crew. Positive lyrics and entertaining rap music make this rhythmic approach irresistible for mastering...

👉 Learn all about the processes and definitions for solving linear equations. You will gain a better understanding about the vocabulary and steps used to solve liner equations such as how to isolate an equation and apply inverse...

Add and subtract mixed numbers with equal denominators by conversion to improper fractions.

Learn how to add/subtract rational expressions. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. When adding or subtracting rational expressions...

Learn how to determine the dot product of vectors. The dot product of two vectors also called the scalar product of the vectors is the sum of the product of the components of the vectors in each direction. When the magnitudes of the...

This video teaches how to add and subtract fractions with the same and different denominators using various methods, including the butterfly method and cross multiplication. The instructor explains the logic behind the methods and...

In this lesson you will learn how to subtract within 20 by using a ten frame.