Instructional Video
Sophia Learning

Sophia: Congruent Triangles

9th - 10th
Congruent triangles are explored in this video lesson. [1:54] The tutorial includes detailed examples and a short assessment.
Instructional Video
Sophia Learning

Sophia: Congruent Triangles

9th - 10th
Take a look at two triangles and determine if the triangles are congruent in this video tutorial. [5:13] Check understanding with a quiz.
Instructional Video
Sophia Learning

Sophia: Consecutive Interior Angles Converse

9th - 10th
This video tutorial describes and provides an example for proving two lines are parallel with the converse of consecutive-interior angles theorem. Students can check their understanding with an assessment.
Instructional Video
Sophia Learning

Sophia: Constant of Proportionality

9th - 10th
Explore the term the constant of proportionality and assess learning with a quiz.
Instructional Video
Sophia Learning

Sophia: Constant Rate of Change

9th - 10th Standards
Explore and define a constant rate of change with linear functions. Complete assessment to check understanding.
Instructional Video
Sophia Learning

Sophia: Constant Rate of Change

9th - 10th Standards
Find the rate of change in a linear equation to determine the linear relationship and to determine if the change is constant. Assess learning with a quiz.
Instructional Video
Sophia Learning

Sophia: Constant Rates of Change and Proportional Relationships

9th - 10th Standards
This video lesson provides examples of tables with proportional and non-proproptional relationships but have a constant rate of change.
Instructional Video
Sophia Learning

Sophia: Contrasting Sampling Methods

9th - 10th Standards
In order to accurately reflect collected data, the right type of sampling method needs to be determined. [7:04]
Instructional Video
Sophia Learning

Sophia: Converse of an if Then Statement

9th - 10th
This video lesson demonstrates how to write the converse of an if-then statement. Students can check their understanding with an assessment.
Instructional Video
Sophia Learning

Sophia: Converse of the Pythagorean Theorem

9th - 10th Standards
Use the Pythagorean theorem to determine if the triangle is a right triangle. Assess learning with a quiz.
Instructional Video
Sophia Learning

Sophia: Converting Between Odds and Probability

6th - 8th Standards
Use the probability of an event to determine what the odds of the outcome will be. Assess learning with a quiz.
Instructional Video
Sophia Learning

Sophia: Converting Between Square Inches and Centimeters

6th - 8th
Students review how to convert between square inches and centimeters. The video tutorial includes detailed examples.
Instructional Video
Sophia Learning

Sophia: Converting Decimals to Fractions

6th - 8th
Students watch a video lesson to learn how to convert decimals to fractions. The tutorial provides detailed examples.
Instructional Video
Sophia Learning

Sophia: Converting Fractions to Whole Numbers

6th - 8th
Students review how to convert fractions to whole numbers. The video tutorial includes detailed examples.
Instructional Video
Sophia Learning

Sophia: Coordinate Geometry of Parallelograms

9th - 10th Standards
This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a parallelogram in a coordinate plane. Students can check their understanding with an...
Instructional Video
Sophia Learning

Sophia: Coordinate Geometry of Rectangles

9th - 10th Standards
This detailed lesson uses slope, midpoint, and distance formulas to prove a quadrilateral is a rectangle in the coordinate plane.
Instructional Video
Sophia Learning

Sophia: Coordinate Geometry of Rectangles

9th - 10th Standards
Coordinate geometry of rectangles is investigated in this video lesson. The tutorial demonstrates how to use the midpoint, distance, and slope formulas to determine if a quadrilateral is a rectangle on a coordinate plane. [17:26]
Instructional Video
Sophia Learning

Sophia: Creating a Number Pattern

6th - 8th
The mathematics video explores patterns. Students watch the lesson to learn how to create a number pattern.
Instructional Video
Sophia Learning

Sophia: Cross Sections of Solids

6th - 8th Standards
This video tutorial investigates cross sections of geometric solids and provides examples of the drawings. Students can check their understanding with an assessment. [4:21]
Instructional Video
Sophia Learning

Sophia: Cubic and Quadratic Functions

9th - 10th Standards
Explore the relationship between cubic, quadratic, and nonlinear functions. Take a quiz to assess learning.
Instructional Video
Sophia Learning

Sophia: Cubic Functions

9th - 10th
Explore the term cubic function and assess learning with a quiz.
Instructional Video
Sophia Learning

Sophia: Decartes' Rule of Signs

9th - 10th Standards
Determine the number of real roots of a given polynomial function using Decartes' rule of signs. Assess learning with a quiz.
Instructional Video
Sophia Learning

Sophia: Decrease Percent of Change

9th - 10th
This video resource demonstrates two ways to calculate a percent of change decrease. The lesson includes detailed examples of the skill.
Instructional Video
Sophia Learning

Sophia: Decrease Percent of Change

9th - 10th
The video lesson explores an example of how to determine the decreased percent of change.