EngageNY
Exploiting the Connection to Trigonometry 2
The class checks to see if the formula for finding powers of a complex number works to find the roots too. Pupils review the previous day's work and graph on the polar grid. The discussion leads the class to think about...
EngageNY
Rotations, Reflections, and Symmetry
Lead your high school class on a journey through the world of symmetry and reflections as you discuss geometric principles. Pupils differentiate between reflections and rotations, explore rotational symmetry, and investigate how to...
EngageNY
The Definition of Sine, Cosine, and Tangent
Introduce your classes to a new world of mathematics. Pupils learn to call trigonometric ratios by their given names: sine, cosine, and tangent. They find ratios and use known ratios to discover missing sides of similar...
EngageNY
A Surprising Boost from Geometry
Working with imaginary numbers — this is where it gets complex! After exploring the graph of complex numbers, learners simplify them using addition, subtraction, and multiplication.
EngageNY
Vectors and Stone Bridges
What does it take to build a stable arch? Pupils apply vectors and physics as they examine arched bridges and their structural integrity. They use vectors to represent the forces acting on the stone sections and make conclusions based on...
Curated OER
Nutrition Lesson Plan
Second graders complete a survey as class answering the question: "Did you eat breakfast this morning?". They place a tally mark in the column that best represents their answer. They then discuss the results in the graph.
Government of Hong Kong
Areas and Volumes - 2D Shapes
Unfortunately for young mathematicians, the world isn't made entirely of parallelograms, triangles, and trapezoids. After first learning the area formulas for these common shapes, students apply this new knowledge to...
Curated OER
The Math in the Design and Building of Bridges
Research various types of bridge designs. Your class will be asked to consider what it would be like without bridges while learning about how they work. They will construct a model bridge based on given parameters. They then calculate...
Illustrative Mathematics
Running on the Football Field
Make your class into Pythagorean theorem fanatics in no time. What a great resource to get your sports enthusiasts into the math game! Read the commentary so you can you can strategize how to apply the three math practices.
Illustrative Mathematics
Counting Squares
Challenge young mathematicians' understanding of squares with this geometry puzzle. The task is simple, identify as many squares as possible in a 3x3 array. Allow learners to work independently or in pairs as they search for squares,...
Willow Tree
Simplifying Square Roots
The square root of five and five do not have the same value! How many times have you addressed this with math classes? A lesson gives an explanation of a square root and gives examples for simplifying square root...
EngageNY
Modeling a Context from a Graph
Collaborative pairs develop functions that model a graph from a context using the modeling cycle. They then analyze their function models in order to answer questions about the scenario.
West Contra Costa Unified School District
Solving Exponential Equations
The power to solve exponential equations lies in the resource. Scholars first learn how to solve exponential equations. An activity matching cards with equations, intermediate steps, and solutions strengthens this skill.
Mascil Project
Container Logistics
Here's a creative lesson that lets pupils be creative as well! While considering many different factors, learners devise a plan to increase the efficiency of container shipments. The design of the activity encourages creative,...
Curated OER
Initial Fraction Ideas Lesson 16: Overview
Kids will compare creating fractions from pieces of paper to chips. They begin with a fractional part and work back to a whole. Then order fractions from smallest to largest. They also complete a worksheet to find the missing pieces to...
California Academy of Science
Snakes and Lizards Length and Movement
Snakes and lizards can be very tiny or very long. Your class will get out their rulers to see just how big snakes and lizards can be. They discuss several different reptiles by reading the included animal fact cards, then each small...
Curated OER
Mystery Spinners
Take a spin with probability. Given a set of clues about the probability of events on a spinner, groups create their own device to match the clues. Using a jigsaw strategy, groups share their spinners and strategies with other...
Illustrative Mathematics
Field Day Scarcity
Introduce young mathematicians to concepts of financial literacy with this open-ended word problem. With seven dollars to spend during field day and given a list of available items and their prices, children must determine how they want...
Carolina K-12
Personal Financial Literacy: Saving and Investing
When should you save, and when should you invest? In considering this question, your class members will also learn about the time value of money, inflation, compounded interest, and income/growth investments. The resource also outlines...
Curated OER
Bubblegum Math
Here is a lesson on how to convert inches to centimeters using bubblegum. In this measurement lesson plan, learners get into partners and blow bubbles. One student blows bubbles while the other measures the bubble in inches. Then the...
Curated OER
Hands On Math Lessons with Technology
Learners explore a variety of math concepts. In this integrating technology lesson plan, students visit online webtools such as Max's Math Adventure, I Know That Math, Hands on Banking, and more. A description of each website is...
Curated OER
Elapsed Time
Students utilize "Judy Clocks" in order to explore the concepts of time and elapsed time. In this solid instructional activity on time, students complete a worksheet on elapsed time, using their Judy Clocks to help them keep track of the...
Curated OER
Telling time to the quarter hour
Second graders identify how to tell time to the quarter hour. Then they complete a worksheet of twelve problems on their own given ten minutes and getting at least eight correct. Students also practice telling time as a class while the...
Curated OER
Introduction to Time
Students explore the concept of time. Through discussion and artistic projects, they define time in their own words and tell how it is used to represent the seasons. Students draw a picture to portray time as it elapses during the...