Illustrative Mathematics
Watch out for Parentheses
It is important for the algebra learner to understand the use of parentheses. Mathematicians of all levels can make errors with nested parentheses. This will give them some practice. It makes for a good class starter or quick assessment.
Curated OER
Symbols and the Choices we Make
Upper elementary and middle schoolers recognize symbols that influence the choices that we make consciously or unconsciously in everyday life. They look at the symbols and choices that others make. They identify and apply knowledge of...
Curated OER
Slicing Up Fractions
Add and multiply fractions with your elementary and middle schoolers! They review the concepts of equivalent fractions, adding fractions, and multiplying fractions as they solve problems involving pieces a virtual pizza. Lots of practice...
Curated OER
Stay Focused on Long Division
Students utilize a checklist in order to help them stay focused on long division problems.
National Security Agency
Growing Patterns: Practical Pattern Problems
Your learners explore growing patterns by describing, extending, creating, and evaluating practical pattern problems in this three-day collaborative unit. Beginning with concrete patterns and function tables to extend and...
Grammar Net
Numbers 1-30
Jot down some figures with an activity about printing numbers. First, learners fill in the blanks with the numbers next to their printed forms. Then, they complete simple addition and subtraction problems with numbers that are...
Curated OER
It's About Time!
Students read a short tutorial and complete one or more online activities. They visit an online math dictionary to learn the value of a day, month, week, and year. In addition, they construct word problems based on a favorite month;...
Curated OER
Be a Structural Engineer!
Students investigate how to design and build items with a focus on structural strength as an engineer would. They complete a truss-building project as a final assessment.
Curated OER
Million Dollar Project
Students calculate how they will spend a million dollars. In this millionaire math activity, students complete a worksheet and then make a poster of how they would spend a million dollars. Each item and its cost must be...
Curated OER
A Trip to Colonial Virginia
Students consider prices while planning a trip to Colonial Virginia. In this budgeting lesson, students construct an itinerary of events for a vacation. Students are responsible for working within the approved budget.
Curated OER
The Hudson's Ups and Downs
Fifth graders practice interpreting line graphs of the Hudson River water levels to assess the tides and tidal cycles in the estuary. They explore how weather can affect water levels and tides and observe that high tides and low tides...
Curated OER
Marvelous Math -- Colorful Fractions
Students begin the lesson by discovering that a fraction is one part of a whole. In groups, they practice reducting larger fractions into small fractions and discovering they are equal. They use blocks to identify the relationship...
Curated OER
Introducing Models to Elementary School Students
Students explore the concept of models. In this model activity, students examine 3-dimensional models of various objects and body parts to better understand the natural world.
Curated OER
Plants and Animals: Alike and Not Alike
After reading an informative paragraph that outlines some of the differences between plants and animals, fifth graders attempt to correctly categorize 12 words in a word bank. They must put them in the plant, or animal category. This...
Curated OER
Comparison Shopping
Elementary schoolers explore the concepts associated with comparison shopping, and the concept of need versus want. They also look closely at the power of advertising and become more aware of the messages that ads present. After taking...
Curated OER
Enough for Everybody: Division
Pupils study division. In this math lesson, students arrange manipulatives into equal groups. Pupils discuss the relationship between multiplication and division.
Curated OER
Smart Cookie Factors
Learners examine the concept of finding the greatest common factor. They complete number of activities as they practice identifying prime and composite numbers. Pupils apply rules of divisibility and find the greatest common factor while...
Curated OER
I'll Have an Order of Subtraction Please!
Students explore number values by completing consumer math worksheets. In this math functions lesson, students identify the use of a decimal in numbers and the place values that are represented when dealing with money. Students complete...
Curated OER
Skittles, Taste the Rainbow
Fifth graders learn and then demonstrate their knowledge of a bar and a circle graph using the classroom data. Students are given a pack of skittles candy. Students create a bar and circle graph indicating the results of the contents of...
Curated OER
Fractions in Action
Investigate equivalent fractions with your class. They compare and order fractions. Then they work cooperatively in groups to experiment and problem solve with fractions using a game format. Multiple resources are provided.
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
Defining Division
Upper graders explore division through fair-shares. They will review fair shares and fractions as a segway into division. They start by playing "Share Fairly" game and create mathematical arguments for solving problems. Manipulatives and...
National Security Agency
Equations and Expressions
Learners demonstrate their knowledge pictorially, concretely, and abstractly in this unit meant to last three hours over three days. Using hands-on activities, manipulatives, real-world applications, and problem...
Super East Math
Long Division with Whole Numbers
Learning long division can be an difficult journey for young mathematicians, but this simple skills practice worksheet will help them on their way to fluency.