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Basic Arithmetic 4 Videos

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Studying Mathematics

Arithmetic Terminology

Roman Numerals

Subsets of Numbers

Numbers & Properties 11 Videos

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Writing Numbers

Whole Number on a Number line

The Number Line and Comparison Symbols

Between the Tick Marks of the Number Line

Graphing Inequalities on the Number Line

Comparing Whole Numbers

Associative Property

Commutative Property

Distributive Property

Identity Property

Complete the Sequence

Place Value 5 Videos

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Place Value

The Hundreds Place

Numbers up to 999

Numbers up to the Hundred Thousands

Numbers up to the Hundred Millions

Rounding 7 Videos

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Rounding Numbers

Rounding Numbers to the Nearest Ten

Rounding Numbers to the Nearest Hundred

Rounding Numbers to the Nearest Thousand

Rounding Numbers to the Nearest Million,Billion and Trillions

Estimating Addition and Subtraction Answers

Estimating Multiplication and Division Answers

Addition 5 Videos

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Addition with Two Digits - No Regrouping

Addition with Two Digits - Some Regrouping

Addition with Three Digits - No Regrouping

Addition with Three Digits - Some Regrouping

Addition with More Than Three Digits

Subtraction 6 Videos

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Subtraction with Two Digits - No Regrouping

Subtraction with Two Digits - Some Regrouping

Subtraction with Three Digits - No Regrouping

Subtraction with Three Digits - Some Regrouping

Subtraction with More Than Three Digits

Subtraction Across Zero

Multiplication 12 Videos

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Multiply Two Digit by One Digit - No Regrouping

Multiply Two Digit by One Digit - Regrouping

Multiply Three Digit by One Digit - Regrouping

Multiply Three Digit by One Digit - No regrouping

Multiplying Two Digit Numbers

Multiply Three Digit by Two Digit

Multiply Three Digit by Three Digit

Multiplication by 7

Multiplication by 9

Multiplication by 10

Multiplying by 10, 100, 1000, etc

Multiplication by 12

Division 6 Videos

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Dividing by a One-Digit Divisor - With Remainders

Dividing by 10

Dividing by 10, 100, 1000, etc

Dividing with a Zero in the Quotient

Dividing Two Digit Numbers

Long Division with a Two-Digit Divisor (with Remainders)

Missing Numbers 6 Videos

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Missing numbers in Addition (2 Addends)

Missing numbers in Addition (3 or More Addends)

Missing Numbers in Subtraction

Missing Numbers in Multiplication

Missing Numbers in Division

Missing Numbers - Mixed (Advanced with 3 numbers)

Money 3 Videos

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Rounding Dollars

Adding Money

Subtracting Money

Order of Operations 3 Videos

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What is PEMDAS?

PEMDAS and Parentheses Confusion

Order of Operations with Exponents and Square roots (Beginner)

Divisibility 5 Videos

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Divisibility by 2

Divisibility by 3 and 9

Divisibility by 6

Divisibility Rules for 5 and 10

Divisibility Rules for 4 and 8

Factors & Multiples 7 Videos

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Factors

Differences Between Factors and Multiples

Prime and Composite Numbers

Greatest Common Factor

Least Common Multiple

Prime Factorization

Least Common Multiple and Prime Factorization

Fractions 11 Videos

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What is a Fraction?(OMT)

Writing a Fraction Like a Division Problem

Naming Fractions

Fractions Equal to a Whole Number

Reading Fractions on a Number Line

Rounding Fractions

Equivalent Fractions

Simplifying (or Reducing) Fractions

Comparing Fractions (Easy)

Changing Mixed Numbers to Improper Fractions

Changing Improper Fractions to Mixed Numbers

Adding and Subtracting Fractions - Common Denominators 4 Videos

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Adding Fractions with Common Denominators

Subtracting Fractions with Common Denominators

Adding and Subtracting Mixed Numbers with Common Denominators - No Regrouping

Adding and Subtracting Mixed Numbers with Common Denominators - Regrouping the Final Answer

Adding and Subtracting Fractions - Different Denominators 6 Videos

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Adding Fractions with Different Denominators

Subtracting Fractions with Uncommon Denominators

Adding and Subtracting Mixed Numbers with Uncommon Denominators - No Regrouping

Adding Mixed Numbers with Different Denominators

Subtracting Mixed Numbers with Regrouping

Subtracting a Fraction from 1

Multiplying and Dividing Fractions 10 Videos

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Multiplying Fractions

Multiplying Fractions with a whole Number

Reducing Fractions Before Multiplying

Multiplying Mixed Numbers

Multiplying Fraction and Mixed Numbers

Multiplying Two Mixed Numbers

What's a Reciprocal?

How many 3/4th pieces are in 3?

Dividing Fractions

Dividing Mixed Numbers

Advanced Fractions 2 Videos

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Simplifying Complex Fractions

Fractions Calculations

Decimal Basics 6 Videos

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Place Value of Decimals

Speaking and Writing Decimals

Naming Decimals

Reading Decimals on a Number Line

Rounding Decimals

Comparing Decimals

Decimals: Adding, Subtracting, Multiplying and Dividing 9 Videos

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Adding Decimals

Subtracting Decimals

Multiplying Decimals

Multiplying Decimals by 10,100 and 1000

Dividing a Decimal

Dividing Decimals by 10, 100 and 1000

Dividing by a Decimal

Dividing with Decimals in the Dividend and in the Divisor

Estimating Decimals

Percents 9 Videos

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What is a Percent?

Two Ways to Think About Percents - Decrease

Two Ways to Think About Percents - Increase

Percents and Mental Math

Difference between Simple and Compound Interest

Conversions - Decimals, Fractions and Percents 8 Videos

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Converting a Fraction to a Decimal

Converting a Fraction to a Percent

Converting a Decimal to a Fraction

Converting a Decimal to a Percent

Converting a Percent to a Fraction

Converting a Percent to a Decimal

Converting Mixed Number Percents to Fractions

Converting Mixed Number Percents to Decimals

"What Number...?" Problems 4 Videos

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"What Number is..." Problems

"What Fraction is...?" Problems

"What Percent is...?" Problems - Decrease

"What Percent is...?" Problems - Increase

Ratios and Proportions 6 Videos

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What is a Proportion?

Simplifying Proportions

Ratio Boxes with 2 Rows

Ratio Boxes with 3 Rows

Ratio Boxes with Percents

Unit Rate

Integers - Positive and Negative Numbers 5 Videos

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Adding Same Signed Numbers

Adding Different Signed Numbers

Subtracting Same Signed Numbers

Subtracting Different Signed Numbers

Multiplying and Dividing Signed Numbers

Basic Exponents 7 Videos

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What is an Exponent?

Negative Numbers and Exponents

When the Exponent is 0

Negative Exponents

Multiplying Same Bases with Exponents

Dividing Same Bases with Exponents

Raising a Power to a Power

Scientific Notation 2 Videos

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Writing Scientific Notation

Dividing Scientific Notation

Square Roots 8 Videos

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What is a Square Root?

Perfect Squares Worth Memorizing

Non-Perfect Square Roots

Simplifying Square Roots

Adding and Subtracting Radicals

Multiplying Radicals

Dividing Radicals

Rationalizing the Denominator

Measurement 5 Videos

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3 Kinds of Measurement

Arithmetic with Units of Measure

Measurement Conversion (Unit Multipliers)

Measurement Conversion - Area (Squared)

Measurement Conversion - Volume (Cubed)

Probability and Statistics 6 Videos

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Simple Probability

Designated Order

Probability without Replacement

Finding the Average

Finding the Number when given the Average

Mean, Median, Range, Mode

Algebraic Terms and Expressions 9 Videos

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What is a Variable?

Identifying Like Terms

Simplifying Terms

Adding and Subtracting Like Terms

Multiplying Terms

Distributing Terms

Factoring Terms

Evaluating Expressions

Working with Bases and Exponents

Polynomials 2 Videos

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Multiplying Binomials (FOIL)

Factoring Trinomials

Linear Equations 5 Videos

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One-Step Equations

Two-Step Equations

Inequalities with Negative Coefficients

Parts of an Equation: Finding x and y-intercepts

Finding Slope and y-intercept

Lines 2 Videos

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Distinguishing between a Line and a Line Segment

Distinguishing Between Parallel and Perpendicular Lines

Angles 2 Videos

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Complementary and Supplementary Angles

Vertical, Corresponding, Alternate Interior, Alternate Exterior Angles, Same-Side Interior Angles

Perimeter/Circumference 2 Videos

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Perimeter

Circumference

Area 3 Videos

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Area of a Rectangle

Area of a Triangle

Area of a Circle

Surface Area 5 Videos

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Surface Area - Rectangular Prism, Triangular Prism

Surface Area - Cylinders

Surface Area - Cones

Surface Area - Pyramids

Surface Area - Spheres

Volume 5 Videos

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Volume - Rectangular Prisms, Triangular Prisms

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Pythagorean Theorem

Finding the Missing Angle of a Triangle

Identifying: Right, Acute, and Obtuse Triangles

Identifying: Isoceles, Scalense, and Equilateral Triangles

Coordinate Plane 2 Videos

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Plotting Points on the Coordinate Plane

Midpoint of a Line Segment on a Coordinate Plane

Geometry Cheat Sheets 7 Videos

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Points, Lines and Angles (Cheat Sheets)

Polygons (Cheat Sheets)

Geometric Solids (Cheat Sheets)

Formulas of Lines (Cheat Sheet)

Trigonometry (Cheat Sheet)

Circles (Cheat Sheet)

Using a Protractor

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