National Institute of Open Schooling
Periodic Table and Atomic Properties
An in-depth lesson, the fourth activity in a series of 36, begins with teaching how the periodic table's arrangement came to its current design. Using this knowledge, pupils then move on to analyze the arrangement of elements to their...
EngageNY
Two-Step Problems—All Operations
Step 1: Use the resource. Step 2: Watch your class become experts in solving two-step problems. Scholars learn to solve two-step word problems in context. They use tape diagrams and algebraic techniques to break the problem into two,...
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 lesson is the discovery of Euler's number.
Curated OER
Properties of Equality
What assumptions are made in order to solve equations? An instructional slideshow provides an overview and guided examples of how properties of equality can be used to justify each step in solving equations.
Curated OER
Arithmetic Associative Property of Addition 2
Practice and solve 16 problems in which the missing number in an addition equations is calculated and filled in. Each addition problem shows the associative property. Multiple links to additional worksheets are located on this page.
Curated OER
Arithmetic Associative Property of Addition 3 Worksheet
Provide the opportunity to practice solving problems using the associative property of addition. The class completes a set of 16 simple, single digit problems using the associative property. This Page has multiple links to additional...
Curated OER
Properties of Matter
A collection of ten slides reveals bright graphics and photos. Though the title is "Properties of Matter," the content is incoherent. You will find a couple of slides on chemical reactions, a few on the example of the S.S. Hindenburg...
Curated OER
Symmetry of the Addition Table
Help your class discover the commutative property of addition with this exploration of the addition table. By folding and coloring the table, a symmetry is found that directs students to an understanding of this crucial mathematical...
American Chemical Society
Recrystallization Test
Crystallize the answer to the question that has been investigated since the first of four lessons: What is the unknown crystal? Pupils have examined, crushed, and dissolved four samples plus an unknown as an exploration of the properties...
Curated OER
Number Properties-Know'em, Like'em, Use'em
Ninth graders explore mathematical properties through the use of an advertising jingle. They produce a commercial that is digitized and presented to the class. Students write a jingle that simplifies each property and helps classmates...
Houghton Mifflin Harcourt
Multiplication Properties and Division Rules
Practice multiplication and division with a instructional activity about multiplication properties. After reviewing the commutative property, identity property, zero property, and associative property, kids solve ten multiplication and...
Blogger
Properties of Real Numbers
Three tables, prepared for learners to write notes about the properties of real numbers, are squeezed onto one printable. The addition and multiplication of real numbers are the focus of the notes.
CK-12 Foundation
Properties of Multiplication in Decimal Operations: Balloon Animals
Commutive and associative properties are the focus of a five-question interactive. Dealing with decimal multiplication and addition, mathematicians solve multiple-choice and true or false questions using a model that moves balloons along...
CK-12 Foundation
Addition and Multiplication Properties with Real Numbers: The Secret of Subtraction
An interactive boosts mathematicians' knowledge of subtracting integers using a horizontal number line by way of multiple-choice, true or false, and discussion questions.
CK-12 Foundation
Exponent Properties with Variable Expressions: Integer Powers
Exponent properties can be complicated for learners. A creative lesson seeks to simplify the concept and build a solid understanding. Young mathematicians have the opportunity to create numerous expressions and analyze the simplified...
Curriculum Corner
Number Family Cards
Sixteen number families test young mathematicians' knowledge of the commutative and associative property of addition. Pupils list four problems—two addition and two subtraction—related to a given set of three numbers.
CK-12 Foundation
Properties of Real Number Addition: The Secret of Subtraction
Learners sometimes struggle to understand the concept of adding and subtracting integers. Help them see the why behind their answers using the interactive number line. The values change as individuals adjust the number line for each new...
CK-12 Foundation
One-Step Equations and Inverse Operations: Additive Inverse
Reinforce properties while solving equations. Learners often ignore properties even as they try to apply them. A well-designed lesson emphasizes the role of additive inverses when solving equations.
Curated OER
The Difference of Two Squares
Students practice the use of number properties through exploring the difference of two squares, creating an array model for multiplication, and work with decimal numbers. In groups, students explore patterns in an array and determine...
Virginia Department of Education
Physical and Chemical Properties of Water
How can you effectively provide detailed concepts of water properties to your high school class in a way they find exciting and challenging at the same time? By letting them play, of course! Through a variety of experiments, pupils...
Curated OER
Property Posters
Learners identity properties of addition and multiplication. For this addition and subtraction properties lesson, students explore commutative, associative, and distributive properties as they design posters that feature the properties...
Curated OER
Associative Property of Multiplication
Third graders discover the associative property of multiplication. In this multiplication lesson, 3rd graders explore visual examples of using the commutative and associative properties of multiplication. They also practice solving...
Curated OER
The Distributive Property
MIddle schoolers use the distributive property to combine terms in six expressions. They write nine expressions in simplest form. Middle schoolers perform one mental math problem, describing how they would solve the multiplication mentally.
Curated OER
Properties of Operations as Strategies
These multiplication problems give scholars a chance to display their knowledge of math properties. They use the zero property to solve one problem, write a related multiplication fact for a division problem, and complete a final...
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