Lesson Plan
Curated OER

Patch Tool

For Teachers Pre-K - 5th
Students use an Internet tool to explore shapes and how they combine.  In this patterns lesson, students create quilting patterns using various shapes.  Students recognize how the shapes fit together.
App
Lawrence Hall of Science

HowtoSmile

For Students 1st - 12th
Access countless activities to use in STEM curriculum. This app is a collection of science, technology, engineering, math, and even art ideas are cataloged by topic and easily accessed from one spot. 
Interactive
Scholastic

Study Jams! Simplest Form

For Students 3rd - 5th Standards
Make math simple with this step-by-step presentation on fractions in their simplest form. Multiple approaches are introduced including, most efficiently, the division of numerators and denominators by their greatest common factor. Work...
Activity
Regents Prep

Activity to Show Sample Population and Bias

For Teachers 7th - 9th Standards
There is bias in many aspects of our lives, and math is no exception! Learners explore provided data to understand the meaning of biased and random samples. The resource includes various data sets from the same population, and...
Assessment
Mathematics Assessment Project

“Ponzi” Pyramid Schemes

For Students 8th - 9th Standards
Use mathematics to show your classes the power of a good model. Young mathematicians analyze the famous Ponzi pyramid scheme using an exponential pattern. They make conclusions on the reliability of the plan and why it is illegal. 
Worksheet
Curated OER

Subtraction 5

For Students 2nd - 3rd
In this finding the differences worksheet, students subtract three-digit numbers with and without regrouping. Students solve 20 problems.
Lesson Plan
Curated OER

Measuring Volume/Capacity Using the Metric System

For Teachers 5th
There is more than one way to measure an amount, as learners discover by applying multiple measurement tools in these activities. Centimeter cubes, cylinders, beakers, and measuring cups are used to find the volume of regular and...
Lesson Plan
Curated OER

Principles of Square Roots Lesson Plan

For Teachers 8th - 11th
Middle and high schoolers investigate all the different places in math that square root is present. For this geometry lesson, pupils discuss square roots as it relates to a right triangle and construction. They go over altitude, rise,...
Worksheet
Curated OER

Least Common Multiple

For Students 6th - 9th
Give students detailed instructions on how to find the Least Common Multiple as well as practice with this thorough introductory worksheet. Instructions for this worksheet include an explanation of both guess and check as well as prime...
Lesson Plan
Curated OER

Dihedral Figures

For Teachers 6th - 12th
Middle and high schoolers perform transformations. In this web based activity, students explore dihedral figures. They use the web tools to translate, rotate, and reflect figures. Pupils identify lines of symmetry.
Interactive
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Scholastic

Study Jams! Compare Fractions & Mixed Numbers

For Students 3rd - 6th Standards
Follow along with RJ from the Study Jams! crew as he walks step-by-step through the process for comparing fractions with unlike denominators. Starting with finding the least common denominator, the presentation goes on to demonstrate how...
Activity
101 Questions

2010 Guatemalan Sinkhole

For Teachers 9th - 12th Standards
Dig deep into a lesson studying volume. Learners view images of a Guatemalan sinkhole that seems too big to be true! Their task is to determine the amount of material needed to fill the hole using information from news articles and videos.
Activity
Florida Center for Instructional Technology

Two for One Box Company

For Teachers 4th - 6th
Given a box of certain dimensions, young mathematicians must determine if a box that is twice as big, actually holds twice as much. This is a brain-teaser of a problem. The worksheet provides a handy table that has learners calculate the...
Worksheet
Curated OER

Two for One Box Company

For Students 4th
Here is a challenging and thought-provoking math worksheet. In it, learners work together to construct a variety of boxes of different sizes to see if doubling the size of a box really means it can hold twice as much stuff as the...
Lesson Plan
Curated OER

Data Analysis Challenge

For Teachers 5th - 6th
In this data analysis worksheet, young scholars work with a partner to collect information for a survey. The information is then compiled into a graph. Learners must indicate their survey question, the target audience, predict the...
Lesson Plan
Curated OER

How Many?

For Teachers K
Establish 1:1 correspondence by counting students, first one gender, then the other. Give each child a colored cube (one color for boys, another for girls) and have small groups determine more or less and how many all together. As a...
Lesson Plan
Pennsylvania Department of Education

Volume and Surface Area

For Teachers 4th - 6th Standards
Build boxes using unit cubes to compare surface area and volume. The group performs multiple experiments to determine properties of volume, such as if it makes a difference which order the dimensions are multiplied in. Extensive...
Lesson Plan
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Curated OER

Classifying Three-Dimensional Shapes

For Teachers 7th
Compare geometric solids based on their properties. Your emergent geometers use spaghetti and marshmallows to build models so they can examine the number of faces, edges, and vertices on polyhedra of their own creation. Resource includes...
Activity
Getting to Know

Shape and Form in Art

For Teachers K - 4th
Introduce youngsters to the important role shape and form play in art with this extensive collection of activities and projects. From teaching first graders how to create mandalas to engaging third and fourth graders in the design...
Lesson Plan
Virginia Department of Education

Determining Direct Variation

For Teachers 8th - 11th Standards
Once learners realize what direct variation is, they see it's just a type of linear function. The lesson poses a general question that leads to the creation of the y = kx formula. The resource includes discussion prompts and ideas for...
Lesson Plan
Mathematics Assessment Project

Estimating Volume: The Money Munchers

For Teachers 7th Standards
Don't stuff money under your mattress. To find out why learners first complete a task determining how $24,000 in cash would affect the height of a mattress and whether this same amount would fit into a suitcase of given dimensions....
Activity
Curated OER

Tale of the Tape

For Teachers 9th - 12th Standards
How can baseball and skeet-shooting be modeled mathematically? Sports lovers and young mathematicians learn how to use quadratic equations and systems of equations to model the flight paths of various objects.
Lesson Plan
Mathematics Assessment Project

Solving Linear Equations

For Teachers 7th Standards
Linear equations are the focus of activities that ask learners to first complete a task that involves interpreting algebraic expressions and solving linear equations. They then take part in a card activity matching...
Lesson Plan
Mathematics Assessment Project

Generalizing Patterns: Table Tiles

For Teachers 9th - 12th Standards
As part of a study of geometric patterns, scholars complete an assessment task determining the number of tiles needed to cover a tabletop. They then evaluate provided sample responses to see different ways to solve the same...