In this Grade 7 math video, we solve a problem aligned with Standard 7.G.A.2 — determining which sets of angles or sides CANNOT form a triangle!
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We review two key
theorems:
🔹 Triangle Sum Theorem — The sum of the...

In this math video we will discover polynomial subtraction. We’ll subtract two polynomial expressions using the vertical stacking method — line up the like terms and subtract each set of like terms.
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You’ll watch the...

In this math video, we’ll explore how to determine if a table represents an exponential function using a real-world bacteria growth scenario.
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We start with a culture that begins with 1,000 bacteria, and each hour, the...

In this quick math short, we start with the formula for the area of an isosceles right triangle and show how to rearrange it to solve for s, the side length. Then, we identify which of four answer choices gives an equivalent...

In this high school algebra math video we will be interpreting an exponential model or a real world problem.
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A t-shirt company purchases a new packaging & tracking system — and we are given an equation that models...

In this Algebra 1 lesson, we will identify the correct vertex form of the given graph of a quadratic function. We dive into Common Core Standard HS.F-BF.3 as we explore how transformations affect functions — specifically...

In this step-by-step Algebra 1 walkthrough, we model and solve a real-world quadratic function problem involving an object launched upward from a platform!
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We
’re told:
-The object starts 10 meters...

In this math video, we will find the solutions of a quadratic equation.
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We’ll start with a quadratic set equal to zero and explore how to break it down visually so factoring finally mak
e
s sense.

Here’s...

In this math video, we the area of a sector of a circle step by step — aligned with Common Core Standard G-C.B.5! 🔵✏️
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We’re given a circle with a shaded sector, the radius, and asked to find the area of the shaded...

In this math video, we’ll explore how to find the nth term of an arithmetic sequence step by step — using the problem:
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The first term of an arithmetic sequence is 5. The third term is 13. Which of the following...

In this video, we’ll model and explain how to divide a whole number by a fraction — using the problem:
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1
4 ÷ 1/10

We’ll connect that idea to the rule for
d
ividing fractions:

To divide by a...

In this video, we’ll solve a real-world system of equations problem about bagels and donuts!
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We’ll walk step-by-step through how to represent this word problem using two equations with two variables, one for each type...

Reasoning with Equations and Inequalities
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Represent And Solve Equations And Inequalities Gr
a
phically

HS.A-REI.D.11 Explain why the x-coordinates of the points where the graphs of the equations y = f(x) and y =...

In this Algebra 1 video, students quickly analyze a table of values and four possible functions to determine which function best represents the data. We begin by noticing the domain increases by 1 each time, but the range does not have a...

In this math lesson, you will learn how to identify and add linear algebraic expressions. We’ll start by exploring what makes an expression linear or nonlinear, followed by a hands-on sorting activity to check for understanding. Then,...

In this math video lesson we will learn how to identify when an algebraic expression is in simplest form, how to simplify expressions by combining like terms, and how to use the distributive property to expand and simplify. Students...

In this video, we’ll explore a real-world exponential growth function that models the changing value of a rare painting purchased by an art museum. 🖼️
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We’re given a function that represents the projected value of the...

In this Algebra 1 math video, we’ll use the laws of exponents to evaluate a radical expression — perfectly aligned with Standard HS.N-RN.A.2.
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We’re solving a problem that involves a cube root inside parentheses that’s...

In this math lesson, we’ll learn how to represent a percent of decrease as an algebraic expression using a real-world scenario — the depreciation of a computer over time.
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We’ll explore step-by-ste
p how...

In this Grade 6 math lesson, we review how to find which of four points is a given distance from a graphed point on the coordinate plane. You’ll learn how to determine distances when moving right, left, up, and down from a given point....

Is the square root of a number rational or irrational? In this 8th grade math lesson, we’ll break it down step by step!

👉 First, we’ll define rational and irrational numbers in simple te
rms.
👉 Next, we’ll explore square...

In this Grade 7 math video, we will use a bar diagram to solve a real-world percent problem. We are told that 2/3 of the beads in a jar are one color, and the remaining 1/3 are a second color. The task is to determine what percent of...

In this video, we explore rational numbers and how to identify values within a given range on a number line. The problem asks: Which rational number is greater than -4 and less than 0?
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We’ll start by defining rational...

In this math video, we will be solving a linear inequality with a negative coefficient to determine the minimum value of the solution set. You'll learn how to: solve the inequality step by step, understand when and why to flip the...