When a point particle is moving along a circle, should we use the translational or rotational kinetic energy equation? Should we use the point particle or rigid object with shape equation for angular momentum? The equations are also...

In this video, you will learn how to factor linear expressions with rational coefficients using the distributive property. The teacher explains the concept of a linear expression and the importance of the greatest common factor. They...

This video demonstrates the process of expanding expressions with the distributive property and combining like terms. The importance of maintaining equivalent expressions throughout the simplification process is emphasized.

In this video, the teacher explains how to solve equations in one variable using multiplicative inverses. They review the multiplication property of equality, which states that if two numbers are equal, multiplying them by the same...

In this video, the teacher explains how to solve equations in one variable by using the properties of equality and additive inverses. The concept of additive inverses is introduced, which are numbers that, when added to another number,...

This video explains how to add mixed numbers with like denominators by replacing them with equivalent fractions. The concept is demonstrated using number lines, where the whole number represents the number of wholes and the fraction...

In this video, students learn how to express whole numbers as fractions using fraction models. The teacher uses examples of pies, rectangles, and circles to demonstrate how whole numbers can be represented as fractions. The video also...

Fractions and mixed numbers.

In this video, students learn how to use circle models to find equivalent fractions. The teacher demonstrates the concept by comparing fractions using circle models of pizzas. Through shading and dividing the pizzas, students can...

In this video, the teacher explains how to determine whether fractions convert to terminating or repeating decimals using proportional reasoning and double tape diagrams. They provide examples and clarify common misconceptions about...

In this video lesson, students learn how to divide fractions by using a common denominator. The teacher explains the concept through examples and models, demonstrating how to think about dividing fractions and how to use equivalent forms...

In this lesson, students will learn how to compare fractions with different denominators using visual fraction models. They will understand that fractions represent parts of a whole or a set, and that the numerator represents the shaded...

In this video, the teacher explains how to represent common fractions as percents by renaming them as equivalent fractions with 100 in the denominator. The teacher uses mental math and a money analogy to help students understand the...

This video provides a clear and concise explanation of how to round decimals to the nearest tenth using a number line. It covers the concept of equivalent decimals, the common rounding rule, and the special case when the distance between...

This video explains how to round decimals to the nearest hundredth using a number line. It covers the concept of equivalence between decimals, the importance of dividing the whole into the correct number of equal parts, and the common...

In this video, the teacher explains how to compare fractions by creating common denominators. They use the example of comparing the fractions 2/3, 1/2, and 4/5. The teacher demonstrates how to find the least common multiple of the...

In this video lesson, students will learn how to identify equivalent representations of rational numbers by converting fractions to decimals or percents. The teacher explains the concept using number lines divided into equal parts,...

This video explains how to solve ratio and percent problems using proportions. It provides examples and demonstrates how to set up known ratios and use the multiplicative relationship within a proportion to find the unknown values. The...

In this video, we learn how to evaluate algebraic expressions with exponents. The order of operations is crucial, and we should never multiply the base number by the exponent. We see examples of evaluating expressions with different...

This video explains how to add fractions with different denominators by creating equivalent fractions. Examine visual examples of how to convert fractions into a common denominator and then add the numerators.

In this video, the teacher demonstrates how to use addition and subtraction with fractions to solve real-world problems. The examples provided involve finding equivalent fractions and subtracting fractions with unlike denominators. The...

This video explains how to add fractions with unlike denominators using fraction bars. The lesson covers the concept of equivalent fractions and the importance of finding a common denominator to add fractions. The teacher also addresses...

This video explains how to subtract fractions with unlike denominators using fraction bars. It emphasizes the importance of finding a common denominator and shows how to use equivalent fractions to achieve this. The video also addresses...

In this video, the teacher explains how to make estimates about a population with an unknown characteristic by using the mean of multiple samples. The teacher demonstrates the process of setting up a proportion and calculating the mean,...