Willow Tree
Equations of a Line
Each form of a linear equation has its purpose — pupils just have to find it. Building on the previous lesson in the series, learners examine point-slope and standard form. Using point-slope form, pupils write the equation of a...
Curated OER
A Penny Saved is a Penny Earned
High schoolers explore the concept of exponential growth. For this exponential growth lesson, students manipulate power models with base 2. High schoolers discuss what would happen if you doubled a penny over the course of 20 days. ...
Curated OER
Using Algebra Tiles to Explore Distributive Property
Math is fun with algebra tiles! Young mathematicians explore eight expressions involving the distributive property and use algebra tiles to expand simple expressions. The resource is perfect for both guided and independent practice.
Curated OER
Face The Facts To Remember
Second graders use manipulatives, drawings, and story problems to learn the two's multiplication tables. After learning how to find answers, they participate in a memory game to match facts and answers.
Curated OER
Multiplication: Determining the Weight of Multiple Objects
Seventh graders use their knowledge of multiplication and problem solving to determine the total weight of multiple objects. In this multiplication lesson, 7th graders weigh various manipulatives, record the weight, and use...
Curated OER
Cutting Up in Class, Fractal Style
Learners create three-dimension models demonstrating exponents, multiplying and dividing of fractions, and the use of repeating patterns in tessellations, mirror images, and tiling.
Curated OER
Time for a Plumber!
Fourth graders compare amounts of time in seconds, minutes and hours. For this multiplying and comparing time lesson, 4th graders problem solve a plumbing problem scenario to find which amount of time is the least. Students share their...
Curated OER
Balancing Equations
Students balance equations using the correct method. In this algebra lesson, students solve linear equations using a virtual balance beam as a manipulative. They play games to reinforce the concept of equations being and staying balanced.
Curated OER
Don't Eat the Crayons: Real-Life Multiplication
Third graders use items which come in sets to look for real-life multiples and write multiplication problems. This instructional activity assess the student's understanding of the meaning of multiplication using an array model and...
Curated OER
Using the Balance
Students determine the mass of various objects. In this integrated math and science lesson, students use an arm balance to compare a known object to a combination of washers with a fixed weight. Students record data, construct a bar...
Curated OER
Weigh Out the Algebra
Students solve linear equations. In this algebra lesson, students use manipulative's to see the steps taken when solving linear equations. They solve using addition, subtraction, multiplication and division.
Curated OER
Multiplication & Division with Arrays
Third graders work with fact families using the commutative property, arrange arrays with manipulatives, and multiply and divide symbolically with numbers.
EngageNY
Getting the Job Done—Speed, Work, and Measurement Units
How do you convert from one measurement to another? Pupils use unit rates to convert measurements from one unit to another in the 21st segment in a 29-part series. They convert within the same system to solve length, capacity, weight,...
Education World
Investigating Volume
Explore the concept of volume using unit cubes. Working individually or in small groups, your class measures with a ruler in inches and calculates the volume of various rectangular household boxes (provided by the teacher) and completes...
Curated OER
Is That Your Final Answer?
This unit on integers includes a pre-test, a post-test, four spreadsheets, and links to an interactive web-site to support the learning of integer operations. Access to computers and the Internet are imperative to this unit. The lessons...
Curated OER
Scientific Notation II: The Mantissa
Practice converting a conventional number into scientific notation, and vice-versa. Using an applet, they perform the operations of multiplication and division on numbers expressed in scientific notation.
Curated OER
Multiplication Magic
Investigate multiplication problem solving strategies by working with base 10 blocks. Learners decompose problems with a Merlin the Magician theme. Multiple resources are provided.
Curated OER
Lesson 3: Number Sense
Learners solve word problems using number sense. They convert fractions to decimals and mixed numbers. Pupils determine if a given fraction is greater or less than another fraction, and order numbers on a number line.
Illustrative Mathematics
How Many _______ Are In. . . ?
Help your learners gain meaningful understanding of dividing fractions using fraction models. The activity includes nine problems which are sequenced to show how the fraction division algorithm evolves. Have students use graph paper or...
EngageNY
First-Person Computer Games
How do graphic designers project three-dimensional images onto two-dimensional spaces? Scholars connect their learning of matrix transformations to graphic design. They understand how to apply matrix transformations to make...
EngageNY
Using Matrix Operations for Encryption
Data encryption is an important security measure for sensitive data stored on computers. Pupils learn how to utilize matrices for creating code. They also get a great review of matrix multiplication, inverse matrices, and the identity...
Alabama Learning Exchange
Exponents and Division
Create a human fraction to learn about division of exponents. Scholars develop the rule for division of exponents by being part of a human fraction to explore and justify the rule. They also consider zero exponents and negative exponents.
Center for Innovation in Mathematics Teaching
Vectors
Investigate vectors and learn how to use them. Explore why size and direction, as well as knowing speed and distance, are important components of the vector problems you are trying to solve. This is an extensive lesson which includes six...
Curated OER
Exponential Expressions - Perfect Squares, Square Roots
Color tiles are used to model perfect squares. Alone or in pairs, middle schoolers will find patterns. Afterward, the relationship between perfect squares and roots will be discussed as a whole class.