EngageNY
Describing the Center of a Distribution Using the Mean
Everyone does their fair share. The sixth segment in a 22-part unit presents the mean as a fair share. Groups build a conceptual understanding of the mean of a data set, rather than simply learn an algorithm. Learners use the...
EngageNY
Solving Area Problems Using Scale Drawings
Calculate the areas of scale drawings until a more efficient method emerges. Pupils find the relationship between the scale factor of a scale drawing and the scale of the areas. They determine the scale of the areas is the square of the...
California Academy of Science
Using Empirical Data in the Classroom: Raptor Migrations!
Raptor flight patterns align with seasonal changes in net primary productivity. Here is a thought-provoking lesson that uses empirical data from a video to help scholars understand raptor migrations, producers/consumers, and ecosystems....
EngageNY
Making Scale Drawings Using the Ratio Method
Is that drawn to scale? Capture the artistry of geometry using the ratio method to create dilations. Mathematicians use a center and ratio to create a scaled drawing. They then use a ruler and protractor to verify measurements.
EngageNY
Using Trigonometry to Find Side Lengths of an Acute Triangle
Not all triangles are right! Pupils learn to tackle non-right triangles using the Law of Sines and Law of Cosines. After using the two laws, they then apply them to word problems.
Illustrative Mathematics
Use Cavalieri’s Principle to Compare Aquarium Volumes
Learners are designing a stunning new water feature for an aquarium, but they soon discover that more than just a pretty home for their fishy friends is required. From calculating the volume of a composite shape through the abstract...
Curated OER
Finance Formulas Review Sheet
Keep your finances straight—more like finance formulas straight—with a well-organized formula guide full of everything you need. Starting with simple interest and ending with future and present value, this sheet can be useful for many...
Howard Hughes Medical Institute
Spreadsheet Tutorial 1: Formulae, Functions, and Averages
Spread your knowledge of spreadsheets. The first of five tutorials in the Spreadsheet Data Analysis unit introduces the basics of spreadsheets. It shows future data analysts how to organize and format tables, and how to use functions to...
Teach Engineering
Using Map Scales to Figure Distances and Areas
The asteroid is getting closer and the question is whether the state of Alabraska is large enough for the shelter calculated in the previous activity. Teams determine the scale of their project and then use the scale on the map to...
Curated OER
Writing Chemical Formulas
Students study how to write chemical fomulas by reviewing the combinations atoms form into compounds. They write a procedure to test various substances and name the compounds and write formulas. As they construct models for formulas and...
Curated OER
The Distance Formula and Marching Nonviolently for Social Change
Learners explore the distance formula using real world data from nonviolent marches for social change. For this secondary mathematics lesson, students investigate the marches of Gandhi and King using maps overlaid with a coordinate...
Curated OER
Distance Formulas
In this distance formulas worksheet, students identify and complete 9 various questions that include using the distance formulas to solve. First, they use the formulas given to respond to each of the questions in the tables shown on the...
Curated OER
Empirical Formula: From Percentage to Formula
Starting with definitions of empirical and molecular formulas, this slide show guides pupils through the ways to calculate and produce chemical formulas as percentages and molar ratios. A number of examples are given for viewers to try...
Curated OER
Atomic Formulas
In this chemistry worksheet, students match the number the chemical formula for the elements and then write them in word form.
Curated OER
The Quadratic Formula
In this algebra worksheet, students solve 10 equations using the quadratic formula. In problems 5, 6, 9 and 10 students must first get the equation in standard form.
Royal Society of Chemistry
Formulae of Compounds
Many people confuse the chemical formulas for copper carbonate and copper oxide. A set of challenging puzzles review commonly confused compound names and their symbols. Through a series of four puzzles, pupils match the names and...
Curated OER
Problem-Solving Application: Use Formulas: Practice
In this formula worksheet, students use formulas to solve 5 word problems, showing their work. Houghton Mifflin text is referenced.
Curated OER
Using Formulas to Solve Problems
In this algebra activity, students rewrite word problems using algebraic expressions. They use formulas to solve problems. There are 22 questions with an answer key.
Del Mar College
Formulas for Elementary and Intermediate Algebra
Give your scholars the support they need to work with formulas. A reference page offers definitions and picture examples of perimeter, area, surface area, volume, the Pythagorean theorem, a variety of shapes, and more.
Curated OER
Spreadsheet formulas
Students, while in the computer lab, practice using formulas, print options, functions and adjusting column widths while interacting with a spreadsheet program. They modify and use spreadsheets, after being given a scenario, to solve...
Curated OER
Area of a Triangle: Formula
Determine the area of a triangle using the formula 1/2L x H. The formula is shown then demonstrated on both regular and irregular triangles. There are five practice problems included.
Shodor Education Foundation
Triangle Area
While the lesson focuses on right triangles, this activity offers a great way to practice the area of all triangles through an interactive webpage. The activity begins with the class taking a square paper and cutting in in half; can they...
HeyMath!
Volume of Pyramid
Go beyond the basic formulas and uncover the surface area and volume of 3-D shapes with this comprehensive and organized worksheet packet. The problems include the basic formula computations while also challenging your learners to derive...
Google
Quadratic Formula Foldable
Learners use the determinant of the quadratic formula to find the number of real number solutions that exist in each given quadratic function.
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