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Videos [1–100 of 2957 videos]

Recognizing Square Units as a Measurement of Area

Kathryn Kingham

Solving Word Problems Using the Multiplication Table

Kathryn Kingham

Understanding That Three-Digit Numbers Can Be Represented with Groups of Hundreds and Ones

Kathryn Kingham

Using Place Value to Write Numbers in Words and Digits

Kathryn Kingham

Ordering Times with AM and PM

Kathryn Kingham

Simplifying Rational Algebraic Expressions Using Laws of Exponents

Bethani Gasparine

Finding the Unknown Length in a Triangle Using the Right Triangle Altitude Theorem

Bethani Gasparine

Determining the Probability of an Event in a Dice Experiment

Bethani Gasparine

Completing Algebraic Expressions to Make a Perfect Square Trinomial

Bethani Gasparine

Solving One-Variable Equations Embedded in a Real-Life Context

Bethani Gasparine

Word Problems Involving Pennies, Nickels, Dimes, Quarters, and Dollars

Bethani Gasparine

Writing Linear Equations in Standard Form

Bethani Gasparine

Factorising by Grouping

Bethani Gasparine

Hooke’s Law

Ed Burdette

Finding the Equation of the Tangent to a Curve Defined Implicitly at a Given Point Using Implicit Differentiation

Alex Cutbill

Finding the Rate of Change of a Polynomial Function in a Real-World Context

Alex Cutbill

Determining the Time Interval during Which a Particle’s Velocity Increases given Its Displacement with Respect to Time

Alex Cutbill

Finding Two Numbers with the Maximum Product given Their Sum Using Differentiation

Chris O’Reilly

Integrating Trigonometric Functions

Chris O’Reilly

Recognizing the Construction of an Angle Bisector

Rhodri Jones

Solving a System of Linear and Quadratic Equations to Find the Set of Points of Intersection of Two Given Graphs

Rhodri Jones

Solving Simultaneous Equations Graphically

Rhodri Jones

Writing Linear Equations in Standard Form

Rhodri Jones

Applying the Converse of the Pythagorean Theorem

Rhodri Jones

Using the Cosine Ratio to Find Lengths in Right-Angled Triangles

Rhodri Jones

Creating Linear Equations with One Variable

Rhodri Jones

Factorizing the Difference of Two Cubes

Rhodri Jones

Counting a Number of Items Used to Measure Another Item

Kerrie Lynskey

Counting Groups of Objects to Find the Sum of Two Numbers

Kerrie Lynskey

Subtracting Two Numbers up to 9

Kerrie Lynskey

Using Number Lines to Find the Missing Addend in an Addition Sentence

Kerrie Lynskey

Counting to 100 by Ones

Kerrie Lynskey

Comparing Groups — Less Than, Greater Than and Equal to

Kerrie Lynskey

Subtracting Two Numbers up to 9 by Counting

Kerrie Lynskey

Counting Backward on a Number Line to Subtract

Kerrie Lynskey

Solving Subtraction Picture Problems with Numbers up to 10

Kerrie Lynskey

Subtracting Within 10 by Counting Objects

Kerrie Lynskey

Describing the Position of 2D Shapes

Kerrie Lynskey

Comparing Numbers by Counting

Kerrie Lynskey

Sorting Objects into Two Groups by One Attribute

Kerrie Lynskey

Comparing the Momenta of Objects

Parth Gharfalkar

Relating the Diffraction Angles of Waves Passing through an Aperture to Its Width

Parth Gharfalkar

Determining the Apparent Weights of Objects Applying a Force to Another Object

Parth Gharfalkar

Determining the Acceleration of an Object from the Net Force Acting on It

Parth Gharfalkar

Calculating the Net Force Acting on an Object

Parth Gharfalkar

Mechanical Energy Conversion

Parth Gharfalkar

Mechanical Energy Conversion

Parth Gharfalkar

Spring Force

Parth Gharfalkar

Comparing Quantities

Kerrie Lynskey

Writing the Fraction Marked on a Number Line

Kerrie Lynskey

Using Probability Density Function of Continuous Random Variable to Evaluate an Unknown

Rhodri Jones

Using the Similarity between Two Shapes to Find the Scale Factor of One Shape to the Other and the Perimeter of One of Them

Rhodri Jones

The Size of the Exterior Angle of an Equilateral Triangle

Rhodri Jones

Addition of Algebraic Expressions

Rhodri Jones

Ordering Given Fractions with Unlike Denominators Involving the Lowest Common Multiple from Least to Greatest

Rhodri Jones

Finding the Cube Root of Rational Numbers

Rhodri Jones

Rounding a Multidigit Number to the Nearest Hundred

Kerrie Lynskey

Using Inverse Trigonometric Functions to Solve Trigonometric Equations Involving Special Angles

Rhodri Jones

Calculating the Cosine Function of a Given Angle

Rhodri Jones

Determining the Magnitude and Direction of the Displacement a Body Where It Moves in Different Directions

Rhodri Jones

Factorising by Grouping

Rhodri Jones

Finding the Components of a Force

Rhodri Jones

Solving Trigonometric Equations Using the Trigonometric Values of Special Angles

Chris O’Reilly

Flow Rate and Continuity

Ed Burdette

Using Data in a Given Line Graph to Complete a Frequency Table

Bethani Gasparine

Evaluating a Polynomial Function for Variables and Algebraic Expressions

Bethani Gasparine

Verifying a Given Comparison Statement with Integers

Bethani Gasparine

Dividing a Multidigit Number by a Two-Digit Number

Kathryn Kingham

Dividing Multidigit Numbers by One-Digit Numbers

Kathryn Kingham

Converting Lengths from Centimeters to Meters

Kathryn Kingham

Polygons in Plane Geometry

Kathryn Kingham

Multiplying Integers Involving Temperature

Kathryn Kingham

Comparing Two Large Numbers in Written and Numerical Form

Kathryn Kingham

Dividing up to Three-Digit Numbers by One-Digit Numbers

Kathryn Kingham

Comparing Two Fractions with the Same Denominator

Kathryn Kingham

Divisibility and Remainders

Kathryn Kingham

Selecting the Least Likely Outcome Involving Spinners

Kathryn Kingham

Identifying Properties of Addition

Kathryn Kingham

Comparing the Lengths of Two Items

Kathryn Kingham

Identifying Triangles

Kathryn Kingham

Identifying the Days of the Week

Kathryn Kingham

Counting a Number of Items Used to Measure Another Item

Kathryn Kingham

Identifying the Number of Squares in a Given Figure

Kathryn Kingham

Interpreting Data from Bar Graph

Kathryn Kingham

Reading Data from a Bar Graph

Kathryn Kingham

The Written Form of Fractions

Kathryn Kingham

Naming Halves, Thirds, and Quarters

Kathryn Kingham

Expressing the Area of Part of a Shape as a Unit Fraction

Kathryn Kingham

Using Arrays to Investigate the Commutative Property

Kathryn Kingham

Identifying Fractions of a Whole Using Visual Fraction Models

Kathryn Kingham

Solving Word Problems by Multiplying Numbers in the Multiplication Table

Kathryn Kingham

Using Pictures to Find the Missing Number in a Division Equation

Kathryn Kingham

Conservative and Non-Conservative Forces

Ed Burdette

Mechanical Energy and Dynamics

Ed Burdette

Determining an Equation That Represents a Line Parallel to the 𝑥-Axis

Rhodri Jones

Understanding Nets of 3D Shapes

Rhodri Jones

Recognizing the Opposite of a Number in a Real World Application Using Tables

Rhodri Jones

Understanding the Number Line

Rhodri Jones

Finding the Reciprocal of a Given Fraction

Rhodri Jones

Modeling Subtraction on a Number Line to Find the Difference

Kerrie Lynskey

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