Videos [1–100 of 8072 videos]

03:22
Counting Tens and Ones up to 120

03:44
Comparing Objects Up To 10 Using Symbols

07:10
Converting Fractions to Decimals

17:05
Multiplying Decimals

03:27
Estimating Multiplication Products

04:11
Equal Parts with Different Shapes

05:21
Unit Fractions

08:19
Representing Fractions on the Number Line

10:45
Comparing Fractions with the Same Numerator or Denominator

05:54
Modeling Equivalent Fractions

07:34
Simplifying Fractions

05:25
Adding and Subtracting Fractions with Common Denominators

05:23
Using Diagrams to Compare Fractions with Different Denominators

02:48
Subtraction Story Problems

02:59
Subtraction within 20 by Counting Backward

03:52
Addition on a Number Line

03:34
Addition of Three Numbers within 20 by Making Ten

03:29
Equality in Addition and Subtraction Number Sentences

02:59
Addition and Subtraction within 20 Using Bar Models

03:09
Addition or Subtraction of Tens from TwoDigit Numbers

04:58
Hundred Square Grids

01:51
Addition within 100 Using Number Lines

05:19
Addition or Subtraction Word Problems Within 100

03:33
Relationship Between Addition and Subtraction within 100

07:04
Estimating Sums of ThreeDigit Numbers

03:32
Repeated Addition

02:41
5 Times Table

03:23
10 Times Table

07:18
Using Properties of Commutativity and Associativity

08:57
Finding the Greatest Common Factor

08:00
Finding the Least Common Multiple

09:53
Finding the Prime Factorization of a Number

09:24
Using Properties of Addition and Multiplication to Solve Problems

04:55
Growing Patterns

05:19
Number Patterns

14:42
Calculating the Probability of the Union of Two Events

08:16
Comparing and Ordering Integers

04:02
Reading and Writing Integers

08:20
Ordering Rational Numbers

08:12
Simplifying Ratios

13:14
Finding Unknowns in Proportions

16:35
Proportion Word Problems

17:51
Proportional and Nonproportional Relationships

17:53
Simple Direct Variation

17:58
Further Direct and Inverse Variation

10:02
Finding the Percentage Change

07:15
Converting Fractions to Percentages

05:17
Converting Percentages to Fractions

15:58
Introducing Exponential Growth and Decay

14:02
Compound Interest (with Interest Compounded More Than Once a Year)

14:45
Patterns of Growth in Tables and Graphs

15:35
Order of Operations: Evaluate Numerical Expressions

10:05
Introduction to Evaluating Expressions Using Order of Operations

05:35
Finding Absolute Value

08:23
The Distributive Law of Multiplication

05:04
Powers and Exponents

05:53
Finding the Square Root of a Perfect Square

06:49
Factoring with 𝑥² coefficient is 1

05:19
Factor Quadratics with 𝑥² Coefficient Not 1

04:05
Perfect Trinomial

17:48
Introducing the Completing the Square Format of a Quadratic Equation

05:50
Difference of Two Squares

11:50
Negative Powers

11:25
Simplifying Algebraic Expressions by Combining Like Terms

10:04
Properties of Operations

14:37
Fractional Powers

14:54
Introduction to Powers

07:49
Factor Polynomials — Common Factor

05:35
Multiplying Binomials

06:27
Adding and Subtracting Radical Expressions (Surds)

14:44
Simplifying Radicals — Minimising the value under the root

13:21
Simplifying Radicals — Rationalising the Denominator

17:14
Multiplying Radical Expressions

15:44
Working with Numbers in Scientific Notation (or Standard Form)

08:24
Multiply Monomials by Polynomials

08:16
Properties of Addition and Multiplication

08:26
Evaluating Simple Algebraic Expressions

10:08
Evaluating Algebraic Expressions

02:32
Finding the Squares of Numbers

17:37
Introduction to Addition and Subtraction of Rational Expressions

06:13
Writing Equations and Solving Them Mentally

05:40
Solve TwoStep Equations

07:58
Solving Equations with Rational Numbers

15:48
Solving Linear Equations with Unknowns on Both Sides

17:14
Solving Simultaneous Linear Equations Using Algebraic Substitution

08:55
Systems of Linear Equations — Elimination

17:34
Linear Equations in One Variable

13:09
Solving Equations with Absolute and Nonabsolute Values of an Unknown

05:01
Solving by Taking Roots

17:58
Using Completing the Square to Solve Quadratic Equations

17:05
Using the Quadratic Formula to Solve a Quadratic Equation

11:49
Using the Discriminant to Determine the Number of Roots a Quadratic Has

16:17
Using Systematic Trial and Improvement to Find a Root of a Quadratic Equation

15:52
Solving Compound Linear Inequalities

07:07
Graph Simple Linear Inequality

08:37
Graph Twovariable Inequalities

14:03
Solving Absolute Value Linear Inequalities

17:40
Solving Quadratic Inequalities

08:57
Extracting Function Rules

04:28
Mapping Diagrams — Domain and Range