This activity uses Cabri Jr. to discover that opposite angles in a cyclic quadrilateral are supplementary

Explore opposite angles by chosing the appropriate angle for the missing degree of measure.

Book demonstrates words that are opposites. Includes audio narration in 8 additional languages with text in English.

Practice solving more challenging problems finding the opposites of numbers. Numbers are opposites when they're on opposite sides of the number line the same distance from zero. Students receive immediate feedback and have the...

Practice finding the opposites of numbers. Numbers are opposites when they're on opposite sides of the number line the same distance from zero. Students receive immediate feedback and have the opportunity to try questions repeatedly,...

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...

Students take a quiz over the concept of integer opposites, also known as additive inverses. After answering each question they are given feedback. Hints are available but affect the score. If students are still struggling with the...

This prealgebra lesson gives you practice on finding opposite numbers.

[Free Registration/Login may be required to access all resource tools.] Find the opposites of given positive or negative integers.

Find a quick, concise explanation of the property of opposites. Several examples are given and clearly explained.

The opposition leader in the Rwanda 2003 election officially recognized Paul Kagame as the winner, and as the continuing President of Rwanda. Concerns over the election process is reviewed as is the treatment of the opposition party and...

This site provides worksheets covering the concept of finding opposites also know as additive inverses. There are ten worksheets and each has an answer key. All files are grouped together as a pdf file.

Play memory match game by matching six different words with their opposites.

Play a memory match game by matching six different words with their opposites.

Play a memory match game by matching six different words with their opposites.

Play a memory match game by matching six different words with their opposites.

Play a memory match game by matching six different words with their opposites.

Play a memory match game by matching six different words with their opposites.

Play a memory match game by matching six different words with their opposites.

Play a memory match game by matching six different words with their opposites.

Play a memory match game by matching six different words with their opposites.

Play a memory match game by matching six different words with their opposites.

Practice rewriting subtraction problems as equivalent addition problems. For example, 2-9=2+(-9). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Read about the reasons many believe that Christopher Columbus should not be celebrated, namely his devastating impact upon native populations.