Curated Video
Expressing Whole Numbers as Fractions
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...
Professor Dave Explains
Understanding Fractions, Improper Fractions, and Mixed Numbers
Fractions and mixed numbers.
Curated Video
Finding Equivalent Fractions Using Circle Models
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...
Curated Video
Determining Terminating and Repeating Decimals
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...
Curated Video
Dividing Fractions Using a Common Denominator
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...
Curated Video
Comparing Fractions: Using Visual Models
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...
Curated Video
Representing Fractions as Percents: Renaming with 100 in the Denominator
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...
Curated Video
Rounding Decimals to the Nearest Tenth Using a Number Line
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...
Curated Video
Rounding Decimals to the Nearest Hundredth
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...
Curated Video
Comparing Fractions by Creating Common Denominators
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...
Curated Video
Identifying Equivalent Representations of Rational Numbers
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,...
Curated Video
Solving Ratio and Percent Problems using Proportions
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...
Curated Video
Evaluating Algebraic Expressions with Exponents
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...
Curated Video
Adding Tenths and Hundredths by Creating Equivalent Fractions
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.
Curated Video
Using Addition and Subtraction to Solve Real World Fraction Problems
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...
Curated Video
Adding Fractions with Unlike Denominators Using Fraction Bars
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...
Curated Video
Subtracting Fractions with Unlike Denominators Using Fraction Bars
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...
Curated Video
Making Estimates About a Population Using Multiple Samples
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,...
Curated Video
Identifying Equivalent Fractions Using Fraction Models
In this video, students learn how to identify equivalent fractions using fraction models. The teacher explains that just because the numerators or denominators are different, it doesn't mean the fractions are not equivalent.
Curated Video
Creating Equivalent Fractions Using a Number Line
In this video, students learn how to create equivalent fractions using a number line. The teacher explains that equivalent fractions represent the same distance and point on the number line, even if the numerators and denominators are...
Curated Video
Expanding Binomials: A Volume Model Proof
In this video, the teacher explains why (A+B)^3 is not the same as A^3 + B^3. Using a volume model, the teacher demonstrates how to expand (A+B)^3 and shows that it is equal to A^3 + 3A^2B + 3AB^2 + B^3.
Curated Video
Decimal Numbers and Number Lines
In this video, students learn how to represent decimal numbers using a number line. The video explains how to divide the number line into equal parts to represent different decimal values, such as tenths and hundredths. It also...
Curated Video
Representing Equal Decimals by Adding Zeros
In this video, students learn how to represent equal decimals by adding zeros. The teacher uses examples with money to explain the concept, showing how decimals can be broken down into different parts.
Curated Video
Exploring Equivalent Fractions with Pattern Blocks
In this video, students are taught how to use pattern blocks to prove the equivalence of fractions. By building with pattern block shapes, they explore the concept of equivalent fractions and learn to identify the value of different...