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Activity
Illustrative Mathematics

Fundraising

For Teachers 4th - 6th Standards
In order to solve for who raised the most money, learners will need to choose an appropriate math strategy or tool to help them. Two possible solutions, one involving pictures and one involving abstract thought, are presented in the...
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Activity
Illustrative Mathematics

Converting Fractions of a Unit into a Smaller Unit

For Teachers 5th Standards
There is more than one way to answer a question; especially when you have fractions in measurement. Here are three questions with real-world situations in which 5th graders are asked to provide answers in three ways: a larger unit of...
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Activity
Illustrative Mathematics

Salad Dressing

For Teachers 5th Standards
Aunt Barb's salad dressing is a mixture of oil, vinegar, salt, herbs, and a pinch of math. Fifth graders add the fractional measurements of ingredients to find a total amount. The fractions have unlike denominators. After finding the...
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Lesson Plan
Howard Hughes Medical Institute

Color Variation over Time in Rock Pocket Mouse Populations

For Teachers 7th - 12th Standards
A species-specific look at natural selection, the resource herein examines how adaptations have helped the population of rock pocket mice survive in a changing landscape. To begin, middle or high schoolers watch a 10.5 minute video,...
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Lesson Plan
Fraction Bars

Solving Word Problems - Whole Numbers Times Fractions

For Teachers 4th - 5th Standards
An impressive lesson where pupils visualize models and solve problems involving multiplying a whole number times a fraction. Fraction bars are used to help learners truly understand what's happening during this mathematical process. The...
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Lesson Plan
Oklahoma State University

Math for Peanuts

For Teachers K - 2nd Standards
Peanuts! Get your peanuts! Kids explore math, art, and agriculture concepts focused on peanuts. There is a brief informational text to get them started, and you'll find definitions of five in-text vocabulary words to address. Kids...
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Activity
Illustrative Mathematics

Building toward fluency

For Teachers 2nd - 3rd Standards
Here is a great learning task that focuses on the development of areas in computational fluency including strategies in mental math. Young learners are guided through a list of addition expressions that help them visually understand the...
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Activity
Illustrative Mathematics

Checking a calculation of a decimal exponent

For Teachers 9th - 12th Standards
In a writing prompt, learners are asked to check the calculation of a decimal exponent without a calculator. Use as an opener or assessment after studying fractional exponents. Requires a strong understanding of exponents and roots to...
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Lesson Plan
Google

Surveys and Estimating Large Quantities

For Teachers 6th - 12th Standards
Looking for an estimation activity a bit more involved than the typical "guess the number of jellybeans in the jar" game? Here, learners use a picture to estimate the number of people at a large event, look for potential problems with...
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Lesson Plan
Google

The Law of Large Numbers and Probability

For Teachers 8th - 12th Standards
Learners investigate why theoretical probability doesn't always match reality. The activity involves using Python 2.7 (or Sage) to set up a Bernoulli Trial. It also involves setting up a spreadsheet to simulate the Birthday Paradox....
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Lesson Plan
Texas Instruments

Drawing a Line Tangent to a Circle

For Teachers 9th - 12th Standards
Explore lines tangent to a circle. In this math lesson, high schoolers manipulate circles and lines on a TI calculator. They draw a circle  and analyze perpendicular lines intersecting the circle in only one place. This activity works...
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Lesson Plan
Curated OER

Special Right Triangles

For Teachers 9th - 12th Standards
Using the Pythagorean Theorem to solve for missing angles, young scholars evaluate right triangles and their properties.
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Lesson Plan
Curated OER

Quadratic Equations

For Teachers 9th - 12th Standards
Using the provided worksheets, students solve equations involving factoring and finding square roots. At the conclusion of the lesson, they discuss the answers and any difficulty experienced in solving the equations.
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Lesson Plan
Texas Instruments

Factoring and Solving Quadratic Binomials

For Teachers 9th - 12th Standards
Here is a TI-Navigator™ activity that allows students to review the concept of factoring and solving quadratic binomials, including a connection to graphical solutions. They enter a number such as -2 using the minus key and not the...
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Lesson Plan
Curated OER

Exploring Quadratic Data with Transformation Graphing

For Teachers 9th - 12th Standards
Using a data collection device to collect data regarding a bouncing ball, students use various features on graphing calculators to experiment with the parameters of the vertex form of the parabola and their effect on the shape of the...
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Lesson Plan
Curated OER

Exploring Quadratic Data : Transformation Graphing

For Teachers 9th - 12th Standards
High schoolers analyze the vertex form of a parabola and find an approximate fit of a model. They explain the quadratic parabola function and its properties by developing quadratic models. They use translation and dilation to change the...
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Lesson Plan
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Curated OER

Dog Pen Problem

For Teachers 9th - 12th Standards
Teach your class about various approaches to solving the problem of maximizing the area of a rectangle space with a fixed perimeter in the context of a farmer's dog pen. Then, they complete a worksheet independently to summarize the...
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Lesson Plan
Curated OER

Powers and Roots of Complex Numbers

For Teachers 9th - 12th Standards
Explore a few powers of complex numbers numerically and decide if there is a pattern and use parametric equations to represent a complex number graphically. Use De Moivre's theorem to represent the roots of the complex number...
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Lesson Plan
Curated OER

Rational Functions

For Teachers 9th - 12th Standards
Through a mini assessment, learners identify and list the vertical and horizontal asymptotes for the given rational functions and determine the type of asymptote of a given rational function. They also decide which form of a function...
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Lesson Plan
Curated OER

Vernier - A Speedy Slide with EasyData™ App and CBR 2™

For Teachers 6th - 12th Standards
Mathematicians use a CBR 2™ motion detector to determine their speed or velocity going down a playground slide. They also experiment with different ways to increase their speed going down the slide. Finally, learners complete the Student...
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Lesson Plan
Shodor Education Foundation

Cross Sections

For Teachers 7th - 12th Standards
Use this activity on cross-sections of three-dimensional shapes in your math class to work on algebra or geometry Common Core standards. The instructional activity includes a list of relevent terminology, and a step-by-step process to...
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Lesson Plan
Montana Office of Public Instruction

Native American Culture: Counting, 1:1 Correspondence

For Teachers K Standards
Kindergarteners practice showing 1:1 correspondence while incorporating information they learned about a local Native American culture. The objects used for counting are taken from the previous day's Native American lesson. The intention...
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Worksheet
DK Publishing

Finding 5 - Multiplying by 5

For Students 2nd - 4th Standards
Visualize multiplication facts using rectangular arrays. Scholars multiply single-digit factors by five and represent each number sentence using sets of dots. They circle the groups of five and fill in missing parts of the equations....
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Lesson Plan
Curated OER

The Pythagorean Theorem and Classifying Triangles

For Teachers 9th - 12th Standards
Through the examination of the relationship between the lengths of the sides of a triangles high schoolers will learn the classification of triangles (acute, right, or obtuse).