In this exercise, students practice adding decimals in the thousandths place. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Sal adds 53+17 by breaking apart the numbers and making a group of 10. [3:35]

In this exercise, students practice subtracting two-digit numbers (no regrouping). Students receive immediate feedback and have the opportunity to watch a tutorial video, get hints, and try questions repeatedly.

In this exercise, students practice adding within 10. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Practice telling which equation is true. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

In this exercise, students practice adding two-digit numbers by making tens. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Divide two whole numbers to get a quotient with a decimal. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice telling which strategies work for adding two numbers within 100. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

In this exercise, students practice decomposing angles. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Find the determinant of a given 2x2 matrix. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

In this short Cyberchase video, students learn about positive and negative numbers as Harry tries to score a total of 50 points in various events to qualify for the Northern Hemisphere games in New Orleans. [3:24]

In this exercise, students practice dividing decimals in the thousandths place. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

In this exercise, students practice multiplying decimals 3. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

[Free Registration/Login may be required to access all resource tools.] Add, subtract, and multiply matrices of appropriate dimensions.

Add, subtract, multiply and divide complex numbers using these easy-to-follow examples.

Practice more challenging problems where you identify positive and negative integers on a number line that doesn't have zero labeled. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...

For this task, 6th graders are asked to compare the buying power of $20 in 1987 and 2012 with respect to the cost of movie tickets. Aligns with 6.NS.B.3.

The goal of this lesson is for students to use manipulatives to add integers, creating concepts rather than memorizing rules. This lesson will be related to the 300 Spartans who battled the invading Persians at the Battle of Thermopylae,...

Practice problems interpreting negative number statements.

[Free Registration/Login may be required to access all resource tools.] Solve problems by choosing an appropriate operation.

Detailed math tutorial features notes and examples that define rational expressions and investigate how to reduce a rational expression to lowest terms, add, subtract, multiply, and divide rational expressions.

Practice solving word problems by subtracting small numbers (numbers 10 or less). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice solving word problems by adding small numbers (numbers 10 or less). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice breaking apart problems like 23+45 into problems like 20+40+3+5. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.