Lesson Plan
Illustrative Mathematics

Sort and Count

For Teachers Pre-K - 1st Standards
Young mathematicians are on their feet and moving around in this primary grade sorting activity. After giving each child an object or picture card, they then sort themselves into groups, counting to see which has the most or least...
Lesson Plan
Illustrative Mathematics

Sort and Count II

For Teachers Pre-K - 1st Standards
Capture the engagement of young mathematicians with this hands-on sorting activity. Given a bag of objects, students work independently sorting the items based on their physical attributes, counting to determine the size of each group....
Lesson Plan
Illustrative Mathematics

Money in the Piggy Bank

For Teachers 3rd - 5th Standards
It's time to crack open that piggy bank and see what's inside. First, count up the pennies, nickels, dimes, and quarters, identifying what fraction of them are dimes. Then calculate the total value of the coins, writing another fraction...
Lesson Plan
California Academy of Science

Kinesthetic Astronomy: The Meaning of a Year

For Teachers 3rd - 8th
How many times have you traveled around the sun? Aspiring astronomers grasp what a year is and they differentiate between orbit and rotation by walking around the sun right within your classroom. Place a lamp in the center of the room to...
Activity
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Oregon Department of Education

Building Number Sense

For Teachers Pre-K - 1st Standards
It's never too early to begin a child's math education. This collection of fun hands-on activities engage youngsters in building their number sense as they learn how to count objects, identify numerals, compare amounts, and much more.
Activity
Curated OER

K-5 Mathematics Module: Number and Number Sense

For Students K - 5th Standards
Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency...
Lesson Plan
Curated OER

Goody Bags

For Teachers K Standards
Looking for Common Core math center ideas for your Kindergartners? This a great one that is easy to set up, change up, and can be individualized to the learning level of each child. Start with a collection of zippered plastic bags...
Activity
It's About Time

Sounds in Strings

For Teachers 7th - 12th Standards
How many of your pupils play an instrument? A musical science lesson will help all of them understand how string instruments work. Young scientists construct a string-and-pulley system to test frequency and pitch. The lesson...
Lesson Plan
Illustrative Mathematics

A Bobbie Bear's Buttons

For Teachers Pre-K - 1st Standards
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 students with the process, consider creating a worksheet or graphic...
Activity
Resources for Educators

Fractions of Fun

For Students 3rd - 5th Standards
Reinforce concepts and encourage learner engagement with a collection of math games, science experiments, and cross curricular activities. In one fun resource, learners sort objects, keep a diary of everyday fractions, play a game using...
Lesson Plan
Curated OER

How Heavy

For Teachers Pre-K - 1st Standards
Break out the balances for this primary grade lesson on weight measurement. Using common elementary school manipulatives like unifix or snap cubes, young mathematicians determine the weight of four different classroom objects. A graphic...
Activity
DiscoverE

Build a Pinball Game

For Teachers 6th - 8th
Watch your classroom turn into an arcade. Pupils work in groups to build pinball machines from boxes and other found objects. Gamers must incorporate a variety of obstacles and launchers into the machine to see their designs in motion.
Activity
Computer Science Unplugged

The Poor Cartographer—Graph Coloring

For Teachers 2nd - 12th
Color the town red. Demonstrate the concept of graph theory with a task that involves determining the least number of colors needed to color a map so that neighboring countries are not represented by the same color. Pupils...
Lesson Plan
Illustrative Mathematics

Teen Go Fish

For Teachers Pre-K - 1st Standards
Kindergartners play the classic game Go Fish as they practice identifying numbers in the teens. A fun and engaging activity that develops number recognition skills in young learners. As added support, provide cards that include both the...
Lesson Plan
Illustrative Mathematics

Counting Overview

For Teachers Pre-K - 1st Standards
Develop automatic, meaningful counting skills with your class by using everyday classroom/school items, objects, and opportunities. Counting skills should be practiced during the year using objects and items they are familiar with and...
Lesson Plan
National Nanotechnology Infrastructure Network

Is Measuring an Art or a Science?

For Teachers 9th - Higher Ed Standards
Not only do future engineers learn the difference between accuracy and precision, they also get some hands-on experience using different measuring tools. 
Lesson Plan
Curated OER

Cantor Set

For Teachers 9th - 12th Standards
Discover an interesting mathematical object that your algebra learners will enjoy investigating. Their adventure will lead them to the generation of a finite geometric series.
Activity
Curated OER

Domino Addition

For Teachers 1st - 2nd Standards
Hands-on learning in math is essential to all learners, especially youngsters. In a math learning activity, young mathematicians use dominoes in order to discover the commutative property of addition. Fact families and doubles facts can...
Lesson Plan
Illustrative Mathematics

Christina's Candies

For Teachers Pre-K - 1st Standards
Help Christina figure out how many chocolate and lemon candies she has with a lesson on decomposing numbers. When presenting this context to the class, the teacher chooses the total number of candies and the number that are chocolate,...
Lesson Plan
Illustrative Mathematics

Which Number is Greater? Which Number is Less? How do you Know?

For Teachers K Standards
When comparing groups of objects, it's easy for children to identify which has more, but it's not so easy for them to explain their reasoning. This simple whole-group activity provides multiple opportunities for learners to compare...
Lesson Plan
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Curated OER

Skeleton Tower

For Teachers 9th - 12th Standards
Your algebra learners build a quadratic function in this task of counting the blocks used to build objects. The arithmetic sequence that shows up brings up a shortcut to the long addition using the Gauss Method. Eventually, learners...
Lesson Plan
Illustrative Mathematics

How Long

For Teachers K - 2nd Standards
It won't take young mathematicians long to learn how to measure length with this fun, hands-on activity. Working in pairs, children use Unifix® or snap cubes to measure and record the lengths of different classroom objects. To extend the...
Lesson Plan
Illustrative Mathematics

Christo’s Building

For Teachers 6th - 7th Standards
Hook your charges on how to solve a real-world art problem with mathematics by showing works of Christo. You can find eye-catching images on the Christo and Jeanne Claude webpage. Here, math learners help Jean Claude and Christo prepare...
Activity
Curated OER

Odd or Even

For Teachers 2nd Standards
Children are told that an odd number is one that does not have a partner and an even number is one that has a partner. It's not the way I would explain it, but no matter, the activity and worksheet are still good. Children analyze...