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Interactive
PHET

Make a Ten

For Students 1st - 2nd Standards
Rate the resource as a perfect 10. Pupils use an interactive to help add and subtract numbers. They first explore how to express whole numbers using hundreds, tens, and ones, then explore how to add whole numbers by combining to make...
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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: Equality

For Students 3rd - 4th Standards
What makes fractions equivalent? Learners first use an interactive that shows equivalent fractions with fraction models and number lines. They then play a game where they must match sets of equivalent fractions with different denominators.
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Interactive
PHET

Fractions: Mixed Numbers

For Students 3rd - 5th Standards
Mix up math lessons by incorporating an interactive. An educational interactive teaches users about mixed numbers. They first see how to convert between mixed numbers and fraction models. After completing the instruction, they play a...
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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

Expression Exchange

For Students 3rd - 6th Standards
Bank on your ability to write equivalent expressions. Scholars use an interactive to create expressions using coins. They then convert these to algebraic expressions and figure out how to evaluate them. A game with various difficulty...
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Interactive
PHET

Equality Explorer: Two Variables

For Students 6th - 12th Standards
Solving equations in two variables can't be that much harder than solving equations in one variable. Using a balance interactive, scholars solve equations in two variables. They apply inverse operations by adding -x, -y, or -1 as...
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Interactive
PHET

Equality Explorer

For Students 6th - 12th Standards
Find the right balance between concrete and abstract thinking. After using interactive balances to explore inverse operations, learners solve multi-step equations with variables on both sides. Of course, they can still use the...
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Interactive
PHET

Equality Explorer: Basics

For Students 6th - 12th Standards
Not all interactives are made equal. Scholars use an interactive balance to explore the concept of equality. They place different objects on balances to determine the number of each object needed to balance the scale.
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Interactive
PHET

Build a Fraction

For Students 2nd - 4th Standards
Build on knowledge of fractions to build fractions. Pupils use interactives that require building fraction models for given fractions or mixed numbers and identifying fractions or mixed numbers for given models. A lab area lets users...
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Interactive
PHET

Arithmetic

For Students 3rd Standards
Three interactives times three difficulty levels equals nine possible games. Scholars play a online game that requires finding products, determining missing factors, and finding quotients. Multiplication tables are available to help...
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Interactive
PHET

Area Model Decimals

For Students 5th Standards
Area works with decimals too. Pupils use the interactive to model multiplication of two decimals using an area model. They see how the decomposed components of the factors obtain partial products and then the complete product. Using area...
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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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Unit Plan
Newspaper Association of America

By the Numbers: Mathematical Connections in Newspapers for Middle-Grade Students

For Teachers 6th - 8th Standards
A cross-curricular resource teaches and reinforces mathematical concepts with several activities that use parts of a newspaper. Scholars use scavenger hunts to find the different ways math is used in the paper along with using data...
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Interactive
CK-12 Foundation

Decimals as Fractions

For Students 6th Standards
Converting decimals to fractions is the focus of a five-question interactive. A color-coded tool assists mathematicians in discovering solutions. Multiple-choice questions make up the majority of the problems and a discussion question...
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Interactive
CK-12 Foundation

Prices Involving Sales Tax: Proper Tipping

For Students 6th - 8th Standards
A five-question interactive challenges mathematicians to find a correct tip and total amount using percents five, 12, and 18. A tool with moveable pieces assists participants in locating answers. Types of questions include...
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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
Study Ladder

Halloween Activities: Grades K-2nd

For Students K - 2nd
If your class is looking for word problems, reading excerpts, grammar games, and fun trivia in their trick-or-treat bags, they'll find it all and more with a Halloween-themed set of worksheets! Three pages of holiday exercises are a...
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Worksheet
Study Ladder

Halloween Activities: Grades 3rd-6th

For Students K - 2nd
Planning Halloween curriculum doesn't have to be scary! Check out a set of worksheets that include reading excerpts, word problems, grammar activities, and engaging Halloween trivia that is perfect for your October lesson planning.
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eBook
Rice University

Elementary Algebra

For Students 8th - 10th Standards
Find all the Algebra 1 content in one location. A helpful eBook contains the content typically found in an Algebra 1 course. Concepts range from solving and graphing linear equations to solving and graphing quadratic equations. Pupils...
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Interactive
CK-12 Foundation

Properties of Rational Numbers: Lollipop Trees

For Students 6th - 8th Standards
A six-question interactive takes mathematicians to Lollipop Land where they manipulate lollipop trees to make equivalent ratios.  Question types include multiple-choice, true or false, and a discussion.