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Interactive
Arcademics

Kangaroo Hop

For Students 2nd - 3rd Standards
Scholars play against three other participants to show what they know about geometric figures. Starting at the beginning, kangaroos jump from shape to shape to match the figure to the displayed word and make their way to the finish line. 
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Activity
PBS

Take It in Stride

For Teachers 3rd - 8th Standards
One step at a time, pupils practice their measurement techniques as they analyze their stride length. They design their own procedures for measuring and relate their stride measurements to the distance traveled by making calculations.
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Activity
Under the Dome

Card House

For Students 3rd - 8th Standards
Mathematics is stronger than a card house. Pupils watch a video of the beginning of the building of a triangular card house. Scholars come up with questions they wonder about from the video and ask for more information to arrive at an...
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Interactive
CK-12 Foundation

Basic Visual Patterns: Train Cars

For Students K - 2nd
An interactive comprised of five questions challenges young scholars to complete a simple pattern. After examining a train with colored carts, learners arrange a green, blue, and yellow block into their corresponding space. Questions are...
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Activity
Exploratorium

Traveling Networks

For Teachers 4th - 8th
Show your class the path to understanding graph theory. Scholars learn about basic graph theory using an activity based on the Bridges of Konigberg problem. They draw networks on the playground and decide whether it is possible to travel...
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Activity
Exploratorium

Measuring and Mapping the Playground

For Teachers 4th - 7th Standards
The school playground is a great place to learn about math. Pupils measure the dimensions of a playground using baby steps and individual strides. They use their measurements to create a scale drawing of the playground by applying an...
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Activity
Exploratorium

Angle Hunting

For Teachers 4th - 6th Standards
Do angles change with distance? Using a previously made tool, individuals find and measure angles on a playground. They observe that angles are the same measure regardless of the distance at which they're measured.
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Activity
Exploratorium

Handy Measuring Ratio

For Teachers 4th - 8th Standards
Your hand can be a handy tool for measurement. Young mathematicians learn how to estimate the height of objects by applying similarity. They find the horizontal distance from the object where spreading their outstretched fingers results...
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Activity
Exploratorium

Stride Ruler

For Teachers 1st - 5th Standards
Take it all in stride! Scholars learn to estimate distances using their strides as measurement. They take 10 steps next to a set of meter sticks and use the final distance to estimate the length of each step. Once they've found the...
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Activity
Exploratorium

Making a Translation Tesselation

For Teachers 3rd - 5th
Make masterful art using math. An interesting activity has learners create artwork involving tesselations. First they cut out a base shape from index cards, then they apply translations to complete their masterpieces.
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Interactive
PHET

Fraction Matcher

For Students 1st - 3rd Standards
Here's an interactive that will be a great match for math lesson plans. Young mathematicians use an interactive game to match fractions represented numerically and as fraction models. One game assesses fractions only, while the other...
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Interactive
PHET

Fractions: Intro

For Students 1st - 3rd Standards
There's nothing improper in learning about fractions. Scholars apply an interactive to explore models for proper and improper fractions. They then answer a set of questions in a game that requires building models for given fractions and...
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Interactive
PHET

Area Model Algebra

For Students 3rd - 8th Standards
Expand the pupils knowledge of using area models to algebra. The interactive allows learners to use the same procedure of getting partial products when multiplying multi-digit numbers to multiplying polynomials. Scholars see how the...
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Interactive
PHET

Area Model Multiplication

For Students 3rd - 7th Standards
Develop a solid understanding of multiplication. The interactive provides opportunities for learners to continue building a deep understanding of multiplication. Pupils use the application to find the product of two numbers and find...
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Interactive
PHET

Area Model Introduction

For Students 2nd - 4th Standards
Provide two views of multiplication. The introduction to an area model application has two modes. One mode shows the area of simple multiplication up to 12 by 12. The second mode shows how area models can be partitioned leading to the...
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Interactive
PHET

Area Builder

For Students 3rd - 6th Standards
All that matters is the tiles. Pupils use the interactive to investigate the relationship between area and perimeter using tiles. The interactive has an explore and a game mode to accommodate different steps in learning. The game mode...
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Activity
Discovery Education

Weathering Cubes

For Teachers K - 8th Standards
Weathering is not necessarily a result of the weather. Scholars conduct an experiment to explore the effect of surface area and volume on the weathering process. They create their own sugar cube rocks using the same number of cubes—but...
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Worksheet
Curriculum Corner

Winter Coordinate Grids

For Students 4th - 5th Standards
Young geometers identify the location of each icon by naming the ordered pair through a set of 10 winter-themed worksheets. 
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Worksheet
Yummy Math

More Chocolate Candy?

For Students 3rd - 7th Standards
Everyone knows that candy is the best part of any holiday—but which holiday's candy gives you the most bang for your buck? Analyze a chocolate heart, a chocolate bat, and a normal piece of chocolate to decide which piece of candy has the...
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Activity
101 Questions

Wedding Cake Ribbon

For Students 3rd - 8th Standards
Customers often want ribbon around fancy cakes, but how does a baker know how much ribbon to buy? Scholars view a cake with multiple layers in different geometric shapes. They must figure the perimeter and circumference and add them...
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Assessment
Fluence Learning

Divide Shapes

For Students 2nd Standards
Let's partition rectangles into equal parts. Assess learners on their ability to divide shapes into equal parts, and their ability to explain their thinking.
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Assessment
Illustrative Mathematics

What's the Point?

For Students 4th Standards
Given a certain amount of points, how many line segments can you connect between them? How many close geometric figures can you create? These are the types of questions learners are asked to solve in a assessment-based learning exercise.
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Assessment
Illustrative Mathematics

Lines of Symmetry for Circles

For Students 4th Standards
Further your instruction on geometrical symmetry with an investigation of circles. Fourth graders come to realize that the lines of symmetry of a circle are infinite.
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Assessment
Illustrative Mathematics

Which Pictures Represent One Half?

For Students 2nd Standards
Which image represents one half? Answer the question surrounding four shapes, some of which represent one half and others representing a different amount. The last two questions ask learners to explain why some shapes represent one half...