This is the seventh of nine lessons from a student learning module called "Visualizing and Understanding the Science of Climate Change." This lesson addresses climate feedback loops and how these loops help drive and regulate Earth's...

Practice solving word problems with negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice solving challenging negative number addition and subtraction problems. Number line models, variables, and absolute value come together to push your knowledge of negative numbers even deeper (maybe even below zero!). Students...

Practice adding positive and negative single-digit numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice solving addition and subtraction problems with integers (positive and negative numbers). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice identifying equivalent expressions involving the addition and subtraction of negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice explaining the meaning of negative numbers in different scenarios. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Identify positive and negative integers on the number line. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice plugging in values to evaluate negative number addition and subtraction expressions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

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

In this exercise, students practice finding negative numbers on the number line without reference to zero. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Practice working through addition and subtraction problems using the number line. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

In this exercise, students practice finding negative numbers on the number line. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

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

Practice computing numbers with negative exponents. Exponents may be fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly and to watch a video or get hints.

Practice matching addition and subtraction equations to real-world scenarios. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Recognize the negative sign as meaning the opposite of a number. Use the negative sign to find the opposites of numbers. In some items, we will find the opposite of an opposite. Students receive immediate feedback and have the...

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

Practice putting positive and negative numbers in order. For example, --2, 1, -5, and 3. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice comparing positive and negative numbers by thinking about their positions on the number line. Numbers to the right are greater than numbers to the left. Students receive immediate feedback and have the opportunity to try...

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

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

Practice putting positive and negative numbers in order. For example, -28, 12, -51, and 43. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice multiplying and dividing integers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.