Lesson Plan
EngageNY

Decimal Expansion of Pi

For Students 8th Standards
Develop a better understanding of the value of pi. Learners explore the area of a circle using estimation and graph paper. While continuing to estimate the area of the circle using smaller and smaller grids, the number pi emerges. 
Interactive
CK-12 Foundation

Factor Pairs: Flower Garden

For Students 6th Standards
Arrange the dimensions of Marissa's rectangular flower garden so that 12 flowers can be grown. How many factor pairs does the number 12 have? What dimensions are necessary for a square shaped planter?
Lesson Plan
LABScI

The Rutherford Atomic Model: Hidden Obstacles

For Students 9th - 12th
Historically, scientists had to be creative to study subatomic structure. Scholars step into their minds to recreate the procedure Rutherford used to create his atomic model. Learners identify the creative efforts of early scientists...
Lesson Plan
Curated OER

Grouping Buttons

For Teachers K
Looking for a good lesson on counting and sorting? This lesson is worth a look! In this classification lesson, learners sort buttons by color, shape, shiny verses not shiny, or number of holes.
Interactive
Scholastic

Study Jams! Surface Area

For Students 6th - 9th Standards
Explore surface area and calculate how much wrapping paper one needs to cover a whole box with this math video. The resource gives a nice visual of surface area and explains the use of a square unit.
Organizer
abcteach

Community Walk

For Students K - 2nd
Invite your pupils to explore their surroundings with a walk around the neighborhood. Learners use their senses to make observations about their surroundings. 
Lesson Plan
Curated OER

Negative Magic Squares

For Teachers 4th
Magic squares are interesting objects in both mathematics proper and in recreational mathematics. So they are objects that children should have heard about and experienced. The problems in this sequence give students the opportunity to...
Lesson Plan
Illustrative Mathematics

Comparing Rational and Irrational Number

For Teachers 7th - 9th Standards
Algebra learners must know how to use rational numbers to approximate irrationals. This resource asks participants to decide which number is larger without using a calculator. It makes a great exercise to use as a five-minute transition...
Lesson Plan
Curated OER

Investigation - What's the Number?: Division

For Teachers 7th
Seventh graders explore number sentences using a variety of strategies making each equation a true sentence. Students examine strategies such as patterns, trial and error, working backwards, and related problems. In groups, 7th graders...
Worksheet
Curated OER

Count to 100 by 1s and 10s

For Students 1st - 2nd
Are your pupils learning about the number 100? This worksheet puts their skills to the test as they fill in number sequences by 1s and 10s. First, they complete half a hundreds chart, writing numbers into blank squares. Some are filled...
Lesson Plan
Curated OER

Real and Complex Conjugates

For Teachers 8th - 9th
Pupils explore examples of real binomial conjugates involving the square root of negative one. In a class setting, students study examples of complex conjugates and work given problems. They play "Find My Conjugate" game where real and...
Lesson Plan
Curated OER

Area, Arithmetic and Algebra

For Teachers 8th - 10th
Students model formulas for rectangles and squares. In this area, arithmetic and algebra lesson plan, students explore the formula for the area of squares and rectangles. They use squares to model the formula for the area and identify...
Lesson Plan
Curated OER

Patterns

For Teachers 9th
In this Algebra I worksheet, 9th graders explore number and geometric patterns and use the Sieve of Eratosthenes to find the prime numbers less than one hundred.  The six page worksheet contains eight multipart questions. ...
Lesson Plan
Curated OER

Up and Atom

For Teachers 7th - 8th
"Up and Atom" is a mini-unit introducing middle-schoolers to the wonders of elements. Participants draw atom models, examine the periodic table, compare samples of metals to nonmetals, identify unknown elements, and more! The beginning...
Lesson Plan
Curated OER

UP AND ATOM

For Teachers 5th - 8th
If you are willing to sort through this outline and overlook the portions relating to inaccessible videos, you will find a wealth of support for your introductory chemistry unit. Narrative is presented to help you help learners navigate...
Lesson Plan
Curated OER

Skipping Through Numbers

For Teachers K - 2nd
Students practice rote counting through movement activities. While practicing various locomotor movements, they identify numbers from 1-10. Students practice placing the numbers in the order while doing various movements.
Lesson Plan
Curated OER

Exploring Literature And Weather Through Chirps

For Teachers 4th - 6th
Students explore using crickets' chirps to calculate temperature. They read "Cricket in Times Square" and "The Quiet Cricket," read and discuss a Cricket eBook, develop a formula and calculate temperature using cricket chirps, and graph...
Lesson Plan
Curated OER

Symmetry of the Addition Table

For Teachers 1st - 3rd Standards
Help your class discover the commutative property of addition with this exploration of the addition table. By folding and coloring the table, a symmetry is found that directs learners to an understanding of this crucial mathematical...
Lesson Plan
Curated OER

Fractions - Equal or Not

For Teachers 4th
A fabulous lesson on fractions awaits your young mathematicians. In it, learners are invited to explore the world of fractions by accessing websites that have educational activities and worksheets embedded in them. Some excellent,...
Lesson Plan
Curated OER

Hey, Pythagoras! Help Me Understand Your Theorem!

For Teachers 8th - 12th
Learners explore the Pythagorean Theorem. In this math lesson, pupils solve problems using the Pythagorean Theorem. They select the appropriate numbers to substitute in the formula to solve problems.
Lesson Plan
Curated OER

Book Title: Great Estimations

For Teachers 1st - 4th
Explore estimation with your math class. They will estimate how many Cheerios are in a box. Then count and group 50 Cheerios on a twist tie and attach groups to represent hundreds. They then discuss and practice skip counting and revise...
Lesson Plan
Ahisma Summer Institute

The Power of One - Math in a Different Angle

For Teachers 5th - 7th Standards
In this 2-day instructional activity focused on exponents, middle schoolers will cross the curriculum by engaging in science, history and language arts activities. Exponential growth will be explored using grains of rice on a chess...
Activity
Texas State Energy Conservation Office

Investigation: Gas Laws in Action - Propane

For Teachers 6th - 9th Standards
Using helium as an example of propane, physical science middle schoolers experiment with and graph the relationship between temperature and volume in gases. In a whole-class demonstration, they show how molecules behave under different...
Worksheet
Curated OER

Investigation (Houghton Mifflin Math)

For Students 2nd - 3rd
In this number sense worksheet, students explore the Grand Canyon. Students are to find five facts about the Grand Canyon that contain a number greater than the number one thousand.