Illustrative Mathematics
Logistic Growth Model, Abstract Version
Here learners get to flex some serious algebraic muscles through an investigation of logistic growth. The properties of the constant terms in the logistic growth formula are unraveled in a short but content-dense...
Achieve
Corn and Oats
How much land does a parcel hold? How much fertilizer does it take for a field of corn? Pupils answer these questions and more as they apply ratio reasoning and unit analysis.
CK-12 Foundation
Factor Pairs: Flower Garden
Arrange the dimensions of Marissa's rectangular flower garden so that 12 flowers can be grown. How many factor pairs does the number 12 have? What dimensions are necessary for a square shaped planter?
CK-12 Foundation
Numbers in Expanded Form: Pennies Expanded Form
Beginning with a word problem that poses the question of making groups of 10 pennies to translate into a single dime, pupils are challenged to make sense of the amount of dollars 33 cents is in expanded form.
CK-12 Foundation
Equivalent Fractions: Number Line
Arrange improper fractions on a number line to determine the equivalency to whole numbers. The number line starts at -4 and ends at 4, while users must turn the improper fraction into a proper fraction in order to place it on the number...
CK-12 Foundation
Percent of a Number: Rock Climbing
What percent of the 100 ft. rock has Marta climbed? Young mathematicians find the percent of number (the rock height) by moving the climber up and down the rock.
CK-12 Foundation
Sample Spaces and Events: Triple Spin!
Scholars determine the number of possible outcomes when a spinner is spun three times. They start with the case of one spin and build up to the case of three spins.
Education Development Center
Writing Numerical Expressions—Hexagon Tables
Explore a basic pattern to practice writing expressions. In collaborative groups, learners examine a contextual pattern and write an expression to model it. The task encourages groups to describe the pattern in multiple ways.
CK-12 Foundation
Permutations and Combinations Compared: Colored Candies
Here's a sweet resource on sample spaces. An enticing interactive allows users to list all possibilities for the flavors of candy given to a friend. Scholars must also determine whether permutations or combinations are more...
NFL
Super Bowl: History and Anthology
The educational opportunities are overwhelming with this (almost) complete anthology and history of every Super Bowl since 1968. Excite your football enthusiasts with information that can be used to create cross-curricular...
101 Questions
Coin Carpet
Here's a new meaning to the expression throwing away money...a carpet of coins! An intriguing lesson requires calculations to determine the coin that would be the cheapest option, but it's a little tricky. The cost of the coin...
Curated OER
Add It Up
First graders engage in a lesson that gives the research basis for the use of manipulatives for the basic operations in mathematics. They use the variety of tools to solve basic problems. The lesson has valuable resource links for the...
Curated OER
Counting 1-5
Students explore numbers by participating in basic counting activities. In this early math lesson, students identify the numbers between 1 and 5 and read several books that demonstrate early counting. Students practice counting to 5 on...
Curated OER
Fraction Fun
Students practice identifying common fractions using various manipulatives. They visit a visual fractions website and complete an activity. In the final activity, students create real-life problems.
Curated OER
Decimals, Percent and Scientific Notation
In this decimals, percent and scientific notation worksheet, 9th graders solve various types of problems that range from shading an indicated part of a shape to calculating using scientific notation to express their answer. They express...
Alabama Learning Exchange
Coins to Bills!
Students practice using money at a grocery store. For this money lesson, students get familiar with grocery store ads and work in pairs to use these ads to select food items to purchase using money manipulatives. Students practice being...
Curated OER
Native American Pebble and Pot Game
Students participate in a game using 12 manipulatives. In this addition and subtraction lesson students play a game originated by the Native Americans and look at a number of items and calculate how many are hidden....
Curated OER
Help Young Mathematicians Write Their Way to Math Success
Clear and concise writing should be an integral part of learning mathematics.
Florida Center for Instructional Technology
A Human Number Line: Teacher Notes
Twenty-one pieces of tagboard can lead your class to a greater understanding of integers when you use them to form a human number line. After creating this math tool, two strategies for adding and subtracting will have your...
Curated OER
Math Manipulative: "Fraction Sticks"
Fifth graders use sets of fraction sticks to color in fractional amounts and determine how to compare pairs of fractions. In this math lesson, 5th graders insert the correct symbol given the fractions they are working with. Instructions...
Curated OER
"Using Manipulatives and/or Technology to Solve Math Problems" by Cooking Dinner
Students explore math functions by preparing a meal. In this food measurement lesson, students examine a recipe for a meal and alter the size of the recipe based upon the amount of servings needed. Students utilize manipulatives to...
Curated OER
Manipulating Multi-step Equations (Grade 8)
Ninth graders solve multi-step equations. In this Algebra I lesson, watch a video on solving equations with variables on both sides of the equal sign. Students visit an Internet site to solve simple equations through the use...
Virginia Department of Education
Equations
Science equipment can be handy for math class, too. Scholars learn to solve one- and two-step linear equations by using the concept of a balance. They solve real-world problems in a variety of contexts by writing and solving linear...
Curated OER
Put Your Hands on the Values-Math Manipulatives
Fifth graders visit Web sites on the World Wide Web for interactive practice in recognizing place value for numbers. They work in teams of two to practice identifying place values of whole number and decimals by creating place value cards.