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.
NOAA
Thunderstorms, Tornadoes, Lightning. . . Nature's Most Violent Storms
Thunderstorms, tornadoes, floods, and hail are just a few of the topics covered in a thorough weather preparedness guide. With descriptions of each weather phenomenon, from what causes them to how and when they occur to...
Inside Mathematics
Conference Tables
Pupils analyze a pattern of conference tables to determine the number of tables needed and the number of people that can be seated for a given size. Individuals develop general formulas for the two growing number patterns and...
EngageNY
Congruence Criteria for Triangles—AAS and HL
How can you prove it? Guide classes through an exploration of two possible triangle congruence criteria: AAS and HL. Learners connect this criteria to those previous learned and also explore criteria that does not work. The lesson...
Curated OER
Division of Monomials
Students relate the division of monomials to multiplication. In this division of monomials lesson, students divide monomials by factoring and dividing common factors from the originals. They check their answers by multiplication. As each...
Curated OER
Polymers Lab: Bouncy Ball and Slime
Eighth graders investigate chemical reactions to produce polymers. In this polymers lesson plan, 8th graders experiment with sodium silicate and ethyl alcohol to make a polymer. They also experiment with borax and glue to make a polymer....
Curated OER
Solving Equations Using the Addition And Multiplication Principles
For this math worksheet, students solve the problems using the addition and multiplication properties of equality. Then the solutions are found for the variables.
Curated OER
Slam On the Brakes!
Fifth graders study the concept of momentum and its application by Newton in his studies. They view a demonstration and complete an experiment with toy cars on a racetrack that shows them the properties of momentum and how velocity and...
American Chemical Society
What is Density?
Density: the reason a giant pumpkin will float, but a tiny cranberry won't. Lesson begins with a demonstration of two of the same-sized cubes having different densities. Then pupils take eight cubes, each of the same size, and have to...
Curated OER
Identity and Equality Properties: Pages 37-43
In this math worksheet, young scholars use a list of mathematical properties in order to justify their evaluations. Students name multiplicative inverses and properties illustrated in 13 numbers and statements.
Curated OER
Classifying Quadrilaterals
Fourth graders select the Quadrilateral Quest game, they find all quadrilaterals with the given properties. They are told that the word congruent in this game means equal. Students are given two to four properties of quadrilaterals. ...
Curated OER
Area of Triangle using the Semi-Perimeter and Radius
Students investigate the properties of circles. In this geometry lesson, students calculate the area and perimeter of a triangle. They identify the perimeter and radius length of a circle.
Curated OER
Algebra 1 Properties
In this Algebra 1 properties worksheet, students match the name of the property with the expression for 14 properties used to evaluate and simplify algebraic expression.
Curated OER
The Premises of Geometry
In this geometry worksheet, students solve for missing midpoints, segments and angles using algebraic equations. They use geometric properties to solve these equations. There are 32 questions on 7 different worksheets.
Curated OER
Five Volume of Pyramids Problems
In this pyramids worksheet, students calculate the volume of pyramids in four multiple choice and one free-response problem. The solutions are provided.
Curated OER
Effects of Parameter Changes
Students define properties of a quadratic equation. In this algebra instructional activity, students graph and factor quadratic functions. They write equations for polynomials, given a graph.
Virginia Department of Education
Cover Up Problems
Don't cover up this resource — use it out in the open! Pupils learn how to cover up various parts of a linear equation in order to help solve the equation. A worksheet of problems provides practice with this skill.
EngageNY
One-Step Equations—Multiplication and Division
Discover one more step to being able to solve any one-step equation. Scholars continue their work with one-step equations in the 28th installment of a 36-part module. Tape diagrams and algebraic processes introduce how to solve one-step...
Houghton Mifflin Harcourt
Challenge: Parentheses, Please!
Given a string of numbers and math symbols, learners take the challenge to insert parenthesis in the proper places to reach certain solutions. This is a challenge, indeed, an engaging enrichment for those who need a little more math!
K12 Reader
Finding Text Evidence: Frederick Douglass
After reading a very brief excerpt from Frederick Douglass' autobiography, learners cite textual evidence to support a main idea of the primary source about Douglass' humiliating experience with slavery. This is a brief exercise that...
National Nanotechnology Infrastructure Network
Size and Scale – Learning about Measurement
Can you visualize one billionth of a meter? It's not easy to understand the scale of a nanometer. Learners use a hands-on lesson to develop an understanding of the size of a nanometer in comparison to common objects. They walk away with...
EngageNY
Solving Equations with Radicals
Show learners how to develop a procedure for solving equations using radicals with the fifth lesson of the 25-part module that challenges learners to use properties to solve multi-step quadratic and cubic equations. Individuals round out...
Curated OER
Isosceles Triangles
In need of a fun way to define an isosceles triangle? This activity has learners fold a paper in half and then cut it to create an isosceles triangle. They determine the line of symmetry by folding the triangle in half and then use the...
EngageNY
Euler’s Number, e
Scholars model the height of water in a container with an exponential function and apply average rates of change to this function. The main attraction of the instructional activity is the discovery of Euler's number.