Illustrative Mathematics
The Geometry of Letters
Use the alphabet as a tool for teaching your class about geometric figures. Break apart capital letters into line segments and arcs. Classify angles as right, acute, or obtuse. Identify parallel and perpendicular lines. An excellent...
EngageNY
Applying the Properties of Operations to Add and Subtract Rational Numbers 1
Apply properties of operations to work with mixed numbers. The first of two lesson plans that focus on properties of operations works with mixed numbers and converting opposites of sums. Pupils work with properties of operations to break...
Illustrative Mathematics
A Bobbie Bear's Buttons
Young mathematicians help Bobbie Bear pick colored buttons out of a box as they learn how to decompose numbers less than 10 into pairs of smaller numbers. To support learners with the process, consider creating a worksheet or graphic...
Illustrative Mathematics
Pick Two
Learning to break apart numbers into smaller pairs is a critical step young mathematicians take as they develop their number sense. To practice this skill, children are provided with sets of three numbers and are asked to pick the two...
Curated OER
Mathematics Within: Algebraic Processes and Its Connections to Geometry
Students analyze multiple strategies of multiplication: clustering, area model, breaking apart/decomposing, etc. They create their own strategies to approaching multiplication problems and share them with their classmates. Discussion...
Curated OER
Complexity Madness
After introducing the concept and formula for finding the area of a square, try this lesson plan. Fifth graders will use their prior knowledge to break apart various shapes in order to determine area. This lesson plan includes several...
Scientific American
Life-Sized Drawing
Ocean explorers or mathematicians research the wreck of the CSS H.L. Hunley. They investigate the actual dimensions of the Hunley using math and measuring skills. Afterward, they sketch a large scale drawing of the submarine outdoors on...
Curated OER
Combining and Breaking Apart Numbers
First graders read Imogene's Antlers by David Small the create pipe cleaner antlers. Using these as a tool students combine and create number sentences. They continue to work through the framework of a software program.
Curated OER
Renting an Apartment
Students complete math problems. In this decimals lesson, students practice decimal multiplication and discuss decimal placement. Students complete more practice problems and have other students check their answers. Students complete a...
PB Works
Numbers Lesson 3 - Hershey Bar Fractions
Talk about delicious math! Pupils solve problems involving rational numbers and analyze real-life problems to find solutions in a pre-algebra class. They discuss the sections of a Hershey's bar in terms of fractions and decimals before...
Pennsylvania Department of Education
Multiplication Using Arrays
Explore the concept of multiplication by using arrays. Classmates use arrays to gain a better understanding of multiplication. They break arrays apart to model the distributive property of multiplication over addition. The relationship...
Federal Reserve Bank
Financial Goals
Do you have financial goals? How will you make them happen? Help your pupils answer these questions through this interactive project. They create goals and a plan for reaching them as one of many high school algebra projects.
Curated OER
Math: Are They the Same - or Knot?
Students discover the equivalence between knots and math through a manipulative exploration. In pairs, they select three sets of identical knots and change their forms without breaking the knots apart. Students pass them along to the...
EngageNY
The Opposite of a Number
It's opposite day! The fourth installment of a 21-part module teaches scholars about opposites of integers and of zero. Number lines and real-world situations provide an entry point to this topic.
Curated OER
The Real Cost of College
How do people pay for college? Learners explore the concept of paying for college, they discuss possible ways to pay for college, research the cost of colleges, room and board, and other college living expenses.
Curated OER
Volume, Surface Area for Cylinders
Seventh graders explore the concept of volume and surface area of cylinders. In this volume and surface area of cylinders lesson, 7th graders break cylinders into their base shapes of a circle and a rectangle. Students discover that...
Curated OER
Making Paper
Students explore paper making. In this cross curriculum multicultural ecology and art lesson, students follow written and oral instructions to make paper using common household items. Students predict the amount of paper use in their...
Curated OER
Heat and Matter
Students explore liquids and solids by conducting in class experiments. In this matter lesson, students define the properties of matter and how heat can change those properties. Students experiment with heating objects such as butter and...
Curated OER
Data Scavenger Hunt
Eighth graders discuss how data is collected and participate in data collection through a survey. They complete a scavenger hunt on the Internet to gain understanding of the data measures mean, median, mode, and range.
Curated OER
Budget Mania
Students examine examples of budgets and explore the difficulties of living on a budget. The hands-on activity offers an opportunity to experience a real life application.
Curated OER
Compost in a Bag!
Fourth graders experiment to see which objects decompose. In this compost lesson, 4th graders observe the changes of labeled objects in a bag. Leave the objects for one month and record the changes by observation and weight. Students...
Pennsylvania Department of Education
Adding and Subtracting Three-Digit Numbers by Jumping
Second graders use data to graph information and draw conclusions. In this instructional activity on data analysis, 2nd graders practice gathering, sorting, comparing, and graphing data. Students differentiate data that can and cannot...
Curated OER
Using inverse Operations to Solve Equations
Fifth graders solve equations. In this algebraic equations lesson plan, 5th graders use the inverse operation to solve an equation. The teacher reminds students to perform the operation on both sides of the equation. This lesson plan...
Curated OER
Add & Subtract Fractions w/Unlike Denominators, 2
Young scholars use several examples to create a method for adding and subtracting fractions with unlike denominators. They present these methods to the class and then practice applying methods to sample problems.