Discusses what numbers are and how our understanding of them has evolved over thousands of years, from simple counting to negative numbers and irrational numbers, for example. Includes a set of practice questions where students identify...

In this Cyberchase video, Harry, his friend, and his cousin Harley form a swim relay team. They get timed in three different strokes to see who should swim which one in a relay. They look at the results and try to find the combination of...

Students add and subtract plays on a football field to practice working with negative and positive integers on the number line.

Students learn how to simplify multiple positive or negative signs. The resource consists of lessons with examples, a combining like terms calculator, an equation calculator, and a learning exercise to check for comprehension.

Given a problem situation, the student will compare and order integers, percents, positive and negative fractions and decimals with or without a calculator.

Practice matching situations to multiplication and division expressions and equations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

In this interactive, use logic to solve riddles involving a wallaby jumping contest. Add two consecutive jumps and place them on a number line, finding equivalent fractions and common denominators to do so. Backward jumps represent...

In this interactive, use logic to solve riddles involving a wallaby jumping contest. Then, place each contestant's jump-a fraction, mixed number, or decimal between -5 and +5-at the correct point on the number line. Backward jumps are...

The number line is a useful tool when ordering positive and negative rational numbers.

[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...

In this interactive, students add and subtract plays on a football field to practice working with negative and positive integers on the number line. Each set of randomized drives consists of seven to nine plays and ends with a touchdown....

This lesson will actively engage students in a fishing tournament that uses ordered pairs to catch fish. As students begin to catch the hidden fish, they will find a relationship between the integers in the ordered pairs. By identifying...

This task has students do simple computations with positive and negative numbers in the context of temperature differences. Aligns with 6.NS.C.5.

Print or create worksheets or flashcards to assess students' understanding of adding and subtracting positive and negative numbers using a number line.

Demonstrates how to perform arithmetic operations with negative fractions, mixed numbers, decimals, and percents. Includes ten practice questions.

Use the number line to recognize the opposite of a number.

The term "integer" was adapted in Mathematics from the Latin word "integer", which means intact or whole. Integers are very much like whole numbers, but they also include negative numbers. This article explains the properties of integers...

An interactive worksheet for practice in the multiplication and division of decimals with positive and negative signs.

An interactive worksheet for practice in the addition and subtraction of decimals with positive and negative signs.

This site from the University of St. Andrews provides a biography of mathematician Nicholas Chuquet, who was the first to use negative numbers as exponents and coefficients.

Select the correct answer by adding integers to advance your spacecraft.

This CoolMath resource will help students learn how to solve inequalities. Dividing by negative numbers is featured.

The factoring calculator finds the factors and factor pairs of a positive or negative number. Enter an integer number to find its factors.

Second graders should be able to recognize what makes one number greater or smaller than another, using place value understanding which is crucial to Common Core mastery. This lesson combines math and science by having students order...