Download these free worksheets to sharpen your time skills. Sheets focus on elapsed time, telling time on analog clocks, calendars, and converting time.

Great lesson plans covering a wide-range of math-related subjects.

[Free Registration/Login Required] On this site, Cornell University mathematics professor, Steven Strogatz, shares his 15-part series of columns on the elements of math. He investigates topics ranging from negative numbers to subtraction...

Learn the affect of gravitational acceleration by calculating what Michael Jordan's hang time would be if he played basketball elsewhere in the universe.

[Free Registration/Login may be required to access all resource tools.] Students compare the times on two clocks and calculate what time it will be before or after a given time interval, which clock shows an earlier or later time, etc....

A collection of math worksheets covering a multitude of math topics.

Solve word problems to find what time an event occurred or how long an event lasted. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Second graders worked on telling time to the hour and half hour earlier in the year. Now they will apply their understanding of counting by 5s to telling time to the five minute interval.

Dan has to run on a different track in the winter, how can he figure out his split time for the smaller track? This interactive exercise focuses on using what you know about ratios to calculate the correct split time for the different...

How is it that Beethoven, who is celebrated as one of the most significant composers of all time, wrote many of his most beloved songs while going deaf? The answer lies in the math behind his music. Natalya St. Clair employs the...

A detailed definition of even and odd functions begins an in-depth look at how these functions are composed and evaluated in the study of math. It goes from from basic algebra through calculus. Interactive LiveMath Notebooks are provided...

An exponential function is a nonlinear function that has the form of y=a*b^x, where a != 0, b > 0. An exponential function with a > 0 and b > 1, like the one above, represents an exponential growth and the graph of an...

We've all heard the phrase "Time is money." But what do these two things actually have to do with one another? German Nande explains the math behind interest rates, revealing the equation that will allow you to calculate the future value...

This lesson focuses on randomness; it explains that what we often think of as random is only random because we do not have the tools to make better predictions. However, true randomness does exists -- at the very foundations of matter. A...

This site may be used as a tutorial for students who did not understand or have forgotten how to divide numbers with decimals. The site gives an example of how it is done and offers a game of dividing decimal numbers that is timed and...

This lesson helps children make a connection between the digital and analog clock. In general, the number system is based on units of ten which can sometimes make it difficult for children to realize that time is based on cycles of...

A good starting point for research into the history of Mathematics. Information is organized into time periods with lists of famous mathematicians and scientists.

An interactive & printable crossword puzzle developed by the New York Times Learning Network. The theme of this puzzle is The Stock Market.

A basic, illustrated description of the math system developed by the Mayans. Includes a paragraph comparing the Mayan system favorably with the Roman numeral system of the same time.

This resource covers telling time where students can choose time intervals to practice. After selecting parameters students complete ten problems with instant feedback and an opportunity to practice again.

After watching the video clip of the Hershey's plant, students will use grid paper to investigate multiplication as repeated addition. This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.

This instructional activity solidifies students' understanding of time to the hour (while enriching with basic geography content) and continues to build back up to 3rd grade goal of time to the minute.

A fruit salad consists of blueberries, raspberries, grapes, and cherries. The fruit salad has a total of 280 pieces of fruit. There are twice as many raspberries as blueberries, three times as many grapes as cherries, and four times as...

Sixth graders will be able to see the relationship between theoretical probability and experimental probability by computing both at the same time.