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162 resources with the keyterm formula

Videos (Over 2 Million Educational Videos Available)
Biography of Mary Cassatt for Kids: Famous Artists for Children - FreeSchool Video
4:59
Biography of Mary Cassatt for Kids: Famous...
Algebra 50 - Three Variable Systems in the Real World - Problem 2 Video
10:23
Algebra 50 - Three Variable Systems in the...
Who was Frederick Douglass? Video
3:07
Who was Frederick Douglass?
Other Resource Types ( 162 )
1:54
Lesson Planet

How Do You Find the Axis of Symmetry for a Quadratic Function?

For Teachers 8th - 11th
Short and simple. X equals negative b divided by two(a) is the formula used to find the axis of symmetry. If the quadratic equation is in standard form, identify the values for a, b, and c and plug the values into the formula. Do the...
5:19
Lesson Planet

What is a Literal Equation?

For Teachers 6th - 12th
Have you ever heard of a literal equation? You might already know of a few! As this video explains, literal equations have multiple variables that often represent known values. Watch the video to learn more!
1:46
Lesson Planet

How Do You Write an Equation of a Line in Slope-Intercept Form If You Have the Slope and the Y-Intercept?

For Teachers 6th - 12th
If you are given the value for slope (m), and the value for the intercept (b), all you need to do is remember what the slope-intercept form looks like. Y=mx+b. Then you just have to plug the given values into the slope-intercept line of...
1 In 1 Collection 5:04
Lesson Planet

What is the Formula for the Volume of a Cone?

For Teachers 6th - 9th Standards
All you need are a few values to find the the volume of a cone! Watch an informative math video that guides learners through the formula needed, as well as the relationship between the cone's volume and the volume of other...
5:18
Lesson Planet

How Do You Find the Volume of a Sphere?

For Teachers 6th - 12th
The formula for the volume of a sphere is - volume equals four thirds pi times the radius cubed. That's a mouth-full. But if you are given the radius value of the sphere, all you have to do is plug it in and do the arithmetic. Just...
4:23
Lesson Planet

How Do You Find the Area of a Sector of a Circle?

For Teachers 6th - 9th
How do you find the area of a sector of a circle? Use the formula of course. Then all you have to do is plug in the given values and do the math. Make sure you are following the rules of order of operation. The instructor will walk you...
4:10
Lesson Planet

How Do You Write an Equation of a Line in Point-Slope Form and Standard Form If You Have Two Points?

For Teachers 6th - 12th
There are a lot of steps in this problem. But just like walking up a flight of stairs, you should take one step at a time, so too in the solving of this problem. The instructor explains each step and what to do to move to the next one.
2:27
Lesson Planet

What's the Formula for the Square of a Difference?

For Teachers 6th - 12th
The Difference Between Two Squares is an algebraic expression where two terms are perfect squares and one is negative. In this clip the Algebra teacher uses the FOIL method to factor a difference between two squares and prove the equation.
Lesson Planet

Quadratic Equations

For Teachers 9th - 12th Standards
Using the provided worksheets, students solve equations involving factoring and finding square roots. At the conclusion of the lesson plan, they discuss the answers and any difficulty experienced in solving the equations.
Lesson Planet

Exploring Quadratic Data : Transformation Graphing

For Teachers 9th - 12th Standards
High schoolers analyze the vertex form of a parabola and find an approximate fit of a model. They explain the quadratic parabola function and its properties by developing quadratic models. They use translation and dilation to change the...
Lesson Planet

Recognize Area Word Problems - Matching Worksheet

For Teachers 2nd - 3rd Standards
Don't let the title fool you on this one; there aren't any word problems here. Scholars examine five rectangles that have been partitioned into rows and columns, determining the area based on these equal square units. Units aren't...
Lesson Planet

Measure Area by Counting Units - Guided Lesson

For Students 3rd - 5th Standards
Given measurement information on individual squares within a larger shape, scholars determine the total area of that square or rectangle. For one of these three problems they draw the shape knowing its total area and the measurements of...
Lesson Planet

Exploring Quadratic Data Using Translation and Dilation

For Teachers 9th - 12th
Mathematicians analyze the vertex form of a parabola and find an approximate fit of a model. They explain the quadratic parabola function and its properties by developing quadratic models. They use translation and dilation to change the...
Lesson Planet

Generating Number Sequences

For Students 8th - 10th
Practicing number sequences, students solve 5 various problems that include determining various number sequences in each. First, they work out what number comes out of each of the given machines. Then, students write down the first five...
Lesson Planet

Chemistry Review

For Teachers 10th - 12th
In this chemistry review worksheet, students identify chemical changes, isotopes, ions, and chemical bonds. This worksheet has 32 multiple choice questions.
0:07
Lesson Planet

How Do You Figure Out Whether a Percent of Change is an Increase or a Decrease?

For Teachers 6th - 8th
Another word problem to figure out. Well, first off you are trying to figure out the percent of something and this means your formula will be a proportional equivalent. Once you have the known terms in the correct places you can figure...
4:51
Lesson Planet

How Do You Find the Rate of Change Between Two Points on a Graph?

For Teachers 6th - 9th
The instructor uses a graph representing time and distance to illustrate how to solve this word problem. She explains each step: rate of change, distance, time, vertical change over horizontal change, change in distance, and change in...
Lesson Planet

Recognize Area as Additive - Independent Practice Worksheet

For Students 3rd - 5th Standards
Activate your geometer's minds with area calculations, some of which are tricky. First, they solve five word problems dealing only with rectangular shapes. The next five use irregular shapes with side measurements given. Scholars solve...
Lesson Planet

Area of the Rectangle Word Problems

For Students 2nd - 3rd
Don't let the title fool you; these are visual area problems. Scholars examine five rectangles segmented into rows and columns, matching them to their corresponding area on the right. There are no units involved here as this is for...
Lesson Planet

Simple Area of a Rectangle

For Students 3rd - 4th
Given the measurements of three rectangular rooms, scholars determine the area of each. They are given units, so remind them to use square units in their answers. No side measurements exceed 20. Can your scholars measure the classroom...
Lesson Planet

Recursive Sequences

For Students 8th - 10th
Consider recursive sequences with your class. They solve 10 different problems that include various recursive formula sequences. First, they write a recursive formula for the sequence shown, then determine the first 4 terms of the...
Lesson Planet

Graphs - Labels, Formulas, Pictures

For Students 8th - 9th
In this graphs worksheet, students identify and match 8 different labels found in the left-side of the sheet. First, they identify the relationship between labels, formulas, and graphs. Then, students match each label to its correct...
Lesson Planet

Positive & Negative Graphs

For Students 8th - 9th
In this positive and negative graphs worksheet, students solve and complete 8 different problems and graphs that include positive and negative variables. First, they study each label listed on the left-side of the sheet. Then, they match...
Lesson Planet

Formula Calculation

For Teachers 10th - 11th
In this chemistry worksheet, young scholars determine the formulas of compounds with the indicated compositions. There are six compositions to solve on the sheet.