Interactive3:34
Scholastic

Study Jams! Place Value

For Teachers 3rd - 5th Standards
Looking at large numbers can intimidate many young mathematicians. Use Zoe's place value machine to help learners understand the meaning behind each digit in a whole number. After learning about the ones, tens, and hundreds places,...
Interactive
Scholastic

Study Jams! Place Value of Decimals

For Students 4th - 6th Standards
Here is a clear explanation of decimal place value using batting average as the example. Narrated and animated steps are clicked on so that learners can progress at their own pace. Consider having fifth graders interact with this website...
Interactive
Scholastic

Study Jams! Place Decimal on a Number Line

For Students 4th - 6th Standards
Through four steps, three different time values for a 100-meter run are arranged on a number line in order to practice ordering decimal numbers. The price of two sports drinks are also compared. All of this comes in narrated and animated...
Interactive
New Mexico State University

Gate

For Students 4th - 6th Standards
Build numbers with place value to save the day. Pupils use the keyboard to control the digits in the hundredths through hundreds place to create target numbers to destroy shadows. As participants build the numbers, a number line shows...
Interactive
Curated OER

Subtracting Mixed Numbers

For Students 3rd - 6th
In this math worksheet, students subtract mixed numbers. Students find common denominators. They subtract the fractions and whole numbers.
Interactive
Curated OER

Changing Decimals to Percents

For Students 5th
In this online interactive worksheet, 5th graders change decimals to percents. They read a short explanation of the process then convert 12 decimal expressions to percent format with immediate online feedback.
Interactive
Curated OER

Law of Cosines

For Students 9th - 12th
In this cosine worksheet, students will find the length of the third side of a triangle given the length of the other two side. Students will use the Law of Cosines to find the length of the missing side. Answers will be rounded to 3...
Interactive
National Council of Teachers of Mathematics

Scale Factor

For Students 6th - 12th Standards
Does doubling mean everything doubles? Learners adjust the scale factor between two rectangles. Using the calculated measurements, pupils investigate the ratios between the lengths, perimeters, and areas of the rectangles.
Interactive
Curated OER

Accentuate the Positive!

For Students 7th - 8th
Students participate in an interactive online activity about adding, subtracting, multiplying, and dividing positive and negative integers. Students look at sample problems through out the activity and have the opportunity to complete ...
Interactive
CK-12 Foundation

Ck 12: Math Grade 2

For Students 2nd
Browse resources related to second-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
Interactive
CK-12 Foundation

Ck 12: Math Grade 3

For Students 3rd
Browse resources related to third-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
Interactive
CK-12 Foundation

Ck 12: Math Grade 4

For Students 4th
Browse resources related to fourth-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.