Polynomials can be factored with a process nicknamed FOIL. Polynomials include four sets of numbers (x+1)(x+1). To use the 'FOIL' method, multiply...

## 6th-8th Grade Math Activity: Snail Population Sampling

Population sampling is a method used by statisticians to determine the total number of a population. Use the interactive activity below to see one...

## 6th-8th Grade Math Activity: Box and Whisker Plot

A box and whisker plot is a tool used to separate numbers into different quartiles. They are often used to represent statistical data. Use the tool...

## Kindergarten Math Activity: Balancing Blocks

Counting is a fundamental first step in arithmetic. In this activity your student can practice counting and addition by using balancing blocks. Place...

## Back to School: 14 Must-Have Apps for Successful High School Students

Back-to-school season can be the most daunting time for high school students. Freshman see a noticeable difference in the difficulty of course...

## 6th-8th Grade Math Learning Activity: The Area of a Circle

We all know the area of a circle is πr2, but what is the math behind that equation? This interactive video will explain the logic behind the...

## Online Games & Activities for All Ages

For the past week week we've been sharing our best games and activities by category and age. They come directly from the award-winning K12...

## Best Math Games and Activities

This week we'll be sharing our best games and activities by category and age. They come directly from the award-winning K12 curriculum, and represent...

## 7 Great New Math Games For Android

Today we're sharing some of the latest ways for students to learn and reinforce math concepts by using engaging mobile games and puzzles. Check them...

## What Does STEM Education Look Like?

We have all taken a science or math course at some point in our lives. One of the challenges of understanding how education has changed, is changing,...

This morning, Katie Couric met with Sal Khan, Founder and Executive Director of Khan Academy, and talked about the free online education platform and...

## 3rd Grade Math Learning Activity: Practice Calculating Surface Area

Practice learning about surface area in this interactive activity. Manipulate the cubes on your own to practice and learn the controls. When you are...

## 3rd Grade Math Learning Activity: Practice Calculating Volume

Practice learning about volume in this interactive activity. Manipulate the cubes on your own to practice and learn the controls. When you are ready,...

## High School Math Learning Activity: Angles of Rotation

Explore different shapes' angles of rotation in this interactive activity. An angle of rotation is the measure of degrees that a figure is rotated...

## 10 Fun LEGO Math Ideas

As it turns out, 20 Fun Activities for Learning with LEGOs is just the beginning when it comes to the educational possibilities of this classic toy....

## Kindergarten Learning Activity: Learn to Count to 50

Learning to count is the first stepping stone to the wonderful world of mathematics. This learning activity allows the student to learn...

## High School Math Learning Activity: Monty Hall Problem

Monty Hall was the host for the television show Let's Make a Deal. In one event on the show, contestants chose a door they believed had a prize...

## 6th-8th Grade Math Learning Activity: Direct Variation

Practice solving direct variation in this activity. Using algebra calculate the displacement of the spring caused by the weight. Click here...

## Dancing with the Stars’ Danica McKellar is a Math Whiz

Even if Danica McKellar isn't your favorite Dancing with the Stars contestant, she just may be the 'brightest' star on the show. McKellar is known...

## 6 Tips for Teaching Kids About Money

Given the importance of money management throughout one’s life, teaching children about finances should probably rank high on the priority list....

## 6-8th Grade Math Learning Activity: Stem and Leaf Plot

A stem and leaf plot is a method for analyzing a set of data. Use this tool to practice creating stem and leaf plots to find the mean, median, mode...

## High School Math Learning Activity: Correlation Coefficient

Practice identifying the correlation coefficient in this interactive activity. Use the slider to estimate how strongly the given scatter points...

## 6th-8th Grade Math Learning Activity: Perpendicular vs. Parallel Lines

Practice graphing lines and measuring angles in this activity which allows you to manipulate two lines to find if they are perpendicular or...

Using a visualization tool, like base-10 blocks, can make it much easier for kids to solve addition problems. This interactive place value tool...

## Prep for the AP Calculus Exam with Apps

K12 has 13 mobile apps to help students with study and complete AP exam prep. The apps are available in iTunes, Google Play, and Amazon...

## Prep for the AP Statistics Exam with Apps

K12 has 13 mobile apps to help students with study and complete AP exam prep. The apps are available in iTunes, Google Play, and Amazon...

## Kindergarten Math Learning Activity: Practice Telling Time

Use this interactive clock to practice telling time. Drag the minute hand or use the hour and minute buttons to set the clock. Click on the speaker...

## Addictive New Math Puzzle Game, 2048, Soars in Popularity

A new puzzle game with a seemingly simple premise has taken the internet by storm. Built over the course of a weekend and launched last week, 2048...

## Happy Pi Day!

It’s Pi Day, which brings to mind a couple of things about which I’m pretty pleased. First of all, both of my kids are in a wonderful (and...

## A Week of Pi, Day 4: Videos to Celebrate Pi Day

Earlier this week, we explored what pi is, discovered some Pi Day contests, and learned about some Pi Day activities. Now for some real fun;...

## A Week of Pi, Day 3: Pi Day Activities

We've talked about what pi is, and have seen some Pi Day contests you can enter or create. Now for some Pi Day activities you can do. All the...

## A Week of Pi, Day 2: Pi Contests

Yesterday, we covered What Is Pi?  Now to do something with it. Not only is March 14th Pi Day, it's also Albert Einstein's birthday. With that...

## Pi Day: What Is Pi?

Pi Day is celebrated each year on March 14, or 3/14. This year, we're celebrating this famous number with a week-long series all about...

## 4th-5th Grade Math Learning Activity: Subtracting Negative Numbers

Subtracting negative numbers can be a difficult concept to grasp. It is much easier when you are able to visualize the problem. Use the first...

## How Do You Teach Math You Don’t Know?

Tips For Teaching Kids Math Of all the subjects we study in school, math is the most despised by a long shot. In one poll, 37 percent of adults...

## Teaching With Technology Boosts Preschoolers’ Math Learning

What do you think happens when classrooms are equipped with high-end technologies, such as interactive whiteboards and laptop computers, and teachers...

## 2nd Grade Math: Hopping Down the Number Line

Practice counting, subtraction, addition, or multiplication in this fun activity.  Choose which operation you want to improve and the range of...

## 7 Great New Math Apps for iOS and Android

Do you (or your kids) have a mobile device? We've rounded up some of the best new educational math apps for iOS and Android to help you fill it up...

## Apolo Ohno: Decorated Olympian and Champion for Students

Talk about an overachiever. At age 31, speed skater Apolo Ohno is the most decorated U.S. Winter Olympian of all time. But he hasn’t stopped here....

## Kindergarten Math Learning Activity: Toy Clean Up

Learn the basics of math, by sorting. For this game, look at the color of each toy and place it in the correct box. This is a great game to...