Instructional Video
Sophia Learning

Sophia: Arithmetic Sequences

9th - 10th
The mathematics resource includes a video lesson that defines an arithmetic sequence. The lesson discusses how to determine if a sequence is an arithmetic sequence.
Instructional Video
Sophia Learning

Sophia: Arithmetic Sequences as Functions

9th - 10th
Explore how to write an arithmetic sequence as a function. Assess learning with a quiz.
Instructional Video
Sophia Learning

Sophia: Arithmetic Sequence as Functions

9th - 10th
Determine the function of an arithmetic sequence with this lesson. Complete quiz to check understanding.
Instructional Video
Sophia Learning

Sophia: Average Rate of Change

9th - 10th Standards
Determine the average rate of change of a curved line. Assess learning with a quiz.
Instructional Video
Sophia Learning

Sophia: Back to Back Stem and Leaf Plots

6th - 8th
This video tutorial demonstrates how to read and compare data using a back-to-back stem-and-leaf plot.
Instructional Video
Sophia Learning

Sophia: Basic Algebra Properties

6th - 8th
Explore basic algebra properties such as order of operations, distributive property, commutative property, and associative property.
Instructional Video
Sophia Learning

Sophia: Basic Math Properties

6th - 8th Standards
This video lesson introduces and provides examples of order of operations and basic math properties including associative, commutative, and distributive.
Instructional Video
Sophia Learning

Sophia: Solving for Unknown Sides of Similar Triangles

9th - 10th
Learn how to solve for unknown sides of similar triangles and assess learning with a quiz.
Instructional Video
Sophia Learning

Sophia: Special Right Triangles

9th - 10th Standards
Special right triangles are explored in this video tutorial. The lesson provides four videos that explain the side ratios for 45-45-90 and 30-60-90 triangles along with real-world examples involving each type of triangle.
Instructional Video
Sophia Learning

Sophia: Sector Area of a Circle

9th - 10th Standards
This video lesson demonstrates how to find the radius and area of a circle using the area of a sector and a central angle measurement. Students can check their understanding with an assessment.
Instructional Video
Sophia Learning

Sophia: Circle Vocab 1

9th - 10th
Parts of a circle are defined in this lesson. Take a quiz to assess learning.
Instructional Video
Sophia Learning

Sophia: Area of Regular Polygons

9th - 10th Standards
This video lesson demonstrates how to find the area of any regular polygon using the apothem. Students can check their understanding with an assessment.
Instructional Video
Sophia Learning

Sophia: Scale Factor and Surface Area of Similar Solids

9th - 10th
Determine the relationship between scale factor and surface area of similar solids. Assess learning with a quiz.
Instructional Video
Sophia Learning

Sophia: Language of Geometry

9th - 10th Standards
This video lesson defines and provides an example of common geometry terms including theorem, postulate, axiom, and corollary.
Instructional Video
Sophia Learning

Sophia: Conditional, Contrapositive, Inverse, Converse, Biconditional

9th - 10th
Students learn about the terms related to logic and conditional statements. Terms explored are conditional, contrapositive, inverse, converse, and biconditional.
Instructional Video
Sophia Learning

Sophia: Unbaised Sampling Methods

9th - 10th Standards
Determine the three types of random samples and how these types are considered unbiased sample methods. Assess learning with a quiz.
Instructional Video
Sophia Learning

Sophia: Unbiased Sampling Methods

9th - 10th Standards
Unbiased sampling methods are explored in this video lesson. The tutorial describes and provides examples of random sampling, systematic sampling, and stratified sampling.
Instructional Video
Sophia Learning

Sophia: Slope and Constant Rate of Change

6th - 8th
Students learn how the slope is related to the constant rate of change for linear functions. The video lesson includes a detailed explanation of the algebra concept.
Instructional Video
Sophia Learning

Sophia: Writing a Linear Equation From a Parallel Line and Point

9th - 10th Standards
Students learn how to write a linear equation from a parallel line and a point. The tutorial consists of a detailed example that explores the mathematics concept. [3:56]
Instructional Video
Sophia Learning

Sophia: Writing a Linear Equation From a Perpendicular Line and Point

9th - 10th Standards
This video discusses how to write a linear equation from a perpendicular line and a point. Students learn about the concept through a detailed example. [3:39]
Instructional Video
Sophia Learning

Sophia: Volume and Surface Area of Irregular Solids

9th - 10th
Students learn how to find the volume and surface area of irregular solids. Two video lesson are included in this mathematics resource.
Instructional Video
Sophia Learning

Sophia: Properties of Equilateral Triangles

9th - 10th
Equilateral triangles are explored in this learning tutorial, which includes several videos [4:18; 4:18; 3:18] and a PowerPoint presentation. The lesson includes an introduction of equilateral triangles and their key characteristics....
Instructional Video
Sophia Learning

Sophia: Comparing Objects to Scale Models

5th - 9th
This video tutorial describes how to compare objects to scale models using an equation. [4:03]
Instructional Video
Sophia Learning

Sophia: Graphs of Constant Rates of Change

6th - 8th Standards
This video tutorial describes how to determine if a graph has a constant rate of change. It includes detailed examples.