Illustrative Mathematics
Tilt of Earth's Axis and the Four Seasons
Geometry meets earth science as high schoolers investigate the cause and features of the four seasons. The effects of Earth's axis tilt features prominently, along with both the rotation of the earth about the axis and its orbit...
Teach Engineering
The Challenge Question
A research position becomes a modeling job. The introductory lesson in a series of nine presents the challenge of analyzing a set of bivariate data. The class brainstorms what the data may represent. Pupils must decide what is needed to...
NASA
Developing an Investigation
Watch as your class makes the transition from pupils to researchers! A well-designed lesson has scholars pick a solar wind characteristic to research. They then collect and analyze official data from the LANL website. This is the...
Missouri Department of Elementary
What Color is Your Apple?
Build your classroom community with an activity that uses apples to examine oneself and their classmates. Participants draw four large apples on blank paper then exchange them within a small group. Group members write a character trait...
Missouri Department of Elementary
I’m A Star!
A lesson encourages scholars to be star community members. Pupils take part in a class discussion that challenges them to brainstorm at least two ways to show responsibility within one's community. Small groups play a game in which...
Missouri Department of Elementary
Family Traditions
Honor family traditions with a lesson that examines the variety of winter celebrations. Class members discuss their family's traditions then complete a cut-and-paste practice page in which they match a picture to the name of a holiday....
Missouri Department of Elementary
How Does a Friend Act?
Two puppets showcase social skills while scholars decide whether their actions are positive or negative. Learners take turns with the puppets, acting out scenarios with a peer while the rest of the class decide if they're being a good...
Curated OER
Investigation - Design Your Own Spinner
Seventh graders use ideas of uncertainty to illustrate that mathematics involves more than exactness when dealing with every day situations. The main standard of this lesson is statistics and probability.
Curated OER
Design Explorations: Frieze Patterns
Learners will explore frieze patterns. A frieze pattern is a mathematical concept to classify designs on two-dimensional surfaces, which are repetitive in one direction, based on the symmetries in the pattern. They will explore examples...
Curated OER
Problem Solving with Multi-Step Number Stories
Pupils solve multi-step number stories. They create number models to solve number stories. Everyone chooses the appropriate operation to use after reading the problem, and then work in small groups to...
Curated OER
Calculators
Students investigate the four basic operations of mathematics that are addition, subtraction, multiplication, and division. The use of a technology game is part of the lesson. They demonstrate the proper use of a calculator as part of...
Curated OER
Using Decimal Benchmarks
Students demonstrate some common operations done while using fractions based upon mathematical standards. They are also changing common fractions to decimals with estimation skills and the use of a calculator.
Curated OER
Arranging Chairs (Arrays)
The creation of arrays is the focus of this mathematics lesson. Pupils consider a situation for a theater stage performance: different amounts of people are coming to the show, and they must arrange the seats in rows of equal numbers. A...
Curated OER
Order of Operations
Sixth graders are introduced to the concept of the orders of operations. The skills of using exponents are needed before trying the new concept. Students can be separated in groups for scaffolding.
Curated OER
Word Value
Students investigate the concepts of adding, estimating, and ordering. The instructional activity uses the alphabet as an example illustration. The students practice the calculations in class in order to ensure mastery.
Curated OER
"NSN, Fractions, Percents, Ratios, Rates" Investigations
Sixth graders engage in an investigation about the concepts related to fractions. They read, represent, compare, and order proper and improper fractions, and mixed numbers. They demonstrate an understanding of relationships involving...
Curated OER
Representing Numbers Using Scientific Notation
Learners explore the concept of scientific notation. In this scientific notation lesson, mathematicians discuss how multiplying by a power of 10 affects the decimal. They play Powers of 10 Yahtzee. Students roll a die five times and each...
Curated OER
Mathematical Reasoning
Ninth graders solve mathematical mysteries associated with a real life situation. In this ninth grade mathematics lesson, 9th graders choose a scenario from Real Life Math Mysteries by Mary Ford Washington and solve one or more of...
EngageNY
Grade 5 Math Module 1, Topic D, Lesson 10
Take a little bit away. The 10th section of an 18-part unit introduces subtraction of decimals. Scholars use a place value chart like they did with addition of decimals to organize and represent the problem. After using the place value...
Curated OER
Mathematics: Technology and Connections
Sixth graders interpret and replicate patterns. For this patterns lesson, 6th graders are given an item with a definite pattern which they must replicate using a calculator or computer and then justify how they relate. Students...
Curated OER
Indian Mathematical Achievements
Students explore how Indian culture and religion prompted Indian advancements in math and science. For this Indian culture lesson, students read "India's Work in Math" and conduct research regarding Indian mathematicians.
Curated OER
Pattern Search
Third graders review the commutative and associative property in mathematics. Using a worksheet, they work together to identify the patterns between the 32 triangles. To end the lesson, they create their own array and exchange it with...
Curated OER
Paint My Counties: Map Coloring the Counties of Arizona
Fourth graders identify the counties of Arizona. In this social studies lesson, 4th graders color a county map of Arizona using the fewest number of colors possible. Students write a persuasive paragraph.
Curated OER
The 3 R's of Common Denominators (Language)
Students solve various word problems that deal with common denominators, and write the mathematical explanations they used to obtain the solutions.