Sal works through several problems involving rational and irrational numbers, and shows how to find the difference. This video is a good stepping stone for those who are preparing to take on more challenging algebra work.

Imaginary numbers are a real thing. Scholars learn about complex numbers, real numbers, and imaginary numbers. They classify given numbers as strictly complex, strictly real, or strictly imaginary in an individual or group activity.

Classify numbers into their groups with this graphic organizer for the real number system. The printable provides a space for all the categories, with a separate column for unreal numbers.

Students use paper cups and colored chips to observe properties of operations with real numbers. As a class, students brainstorm and use manipulatives to demonstrate associative, commutative, distributive identity and inverse properties....

This number sense and operations study guide provides notes and explanations as well as practice problems. In order to practice their math skills, learners write fractions as decimals, identify which number set a number belongs to, take...

Real and unreal, rational and irrational, your learners will become experts at labeling numbers with this worksheet. A full sheet of different numbers requires your mathematicians to label each number with any category that fits that...

Young mathematicians examine and discuss the concepts of integers, rational numbers, irrational numbers, and real numbers. They list examples of each term and order numerical examples.

Middle schoolers investigate the mathematical concept of absolute value by counting the number of steps taken in two directions. Using the number line the teacher can note how they can forward and backward without changing the absolute...

A real number is any number that you can find on a number line. This includes rational and irrational numbers, which means positive numbers, negative numbers, decimal numbers, square root numbers and even pi.

For this cube root worksheet, learners determine the cube root of given numbers. This one-page worksheet contains 16 problems.

Students prove conjectures about geometric figures on the plane or in space using coordinate geometry. They develop fluency in operations with real numbers, vectors and matrices using mental computation or paper-and-pencil calculations...

In this computation with real and complex numbers worksheet, learners use addition, subtraction, multiplication and division to solve 26 problems with complex numbers to win a bingo game.

In this real numbers worksheet, students identify the real number subsets which given numbers belong. This two-page worksheet contains 9 multiple-choice problems.

For this vectors worksheet, students sketch vectors corresponding to given points. They express the sum or difference as a scalar multiple. They identify the smallest positive angle between two points and find the approximate magnitude...

In this square roots and real numbers worksheet, 9th graders solve and complete 12 different problems that include types of numbers. First, they find each square root, rounding to the nearest hundredth. Then, students evaluate each...

For this properties of real numbers worksheet, 9th graders solve 10 different problems that include applying various properties for real numbers. First, they identify the property of real numbers that is demonstrated in each problem....

In this simplifying expressions worksheet, students use their integer rules and the order of operations to simplify given expressions. Two examples are provided. There are 20 problems on this one page worksheet.

In this function worksheet, students find the values of the functions using a given domain. Six problems are provided on this one-page worksheet.

In this practice worksheet, students use the order of operations to solve given equations. There are 44 problems on this two-page worksheet.

Learn about the number line! The number line is defined, described and shown in this short video. The instructor tells learners how to use a number line with whole and real numbers as well as how it can be used to determine greater than...

Peter from the number underground is here to tell your class a math secret. He explains odd numbers. This clip is super cute and engaging plus it does a great job providing rules to determine if a number is odd or not. The math...

In this multiplying and dividing worksheet, students multiply and divide real numbers. They substitute given values into equations and evaluate expressions. This one-page worksheet contains 42 multi-step problems.

Mathematicians separate numbers into subsets. In this algebra lesson, they define and differentiate numbers according to real numbers and integers, fractions, and rational numbers.

For this integers worksheet, students solve integer equations with one variable. This one-page worksheet contains twelve problems.