Students will apply the idea of adding or subtracting ten to a number by adding or subtracting multiple groups of ten from a number. Included is a detailed lesson plan, videos of the lesson in action, materials and worksheets, and center...

Practice solving word problems by adding and subtracting fractions. The fractions used in these problems have like (common) denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...

[Free Registration/Login may be required to access all resource tools.] Practice adding and subtracting fractions in these problems that include inequalities.

[Free Registration/Login may be required to access all resource tools.] Practice adding and subtracting fractions with different denominators.

This section explores the process for adding and subtracting rational expressions. It primarily focuses on how to identify and use the Least Common Denominator to combine fractions with rational expressions.

Add and subtract rational expressions like a pro after you use this site. Finding common denominators is made easy with this tutorial. Try the example problems to test your knowledge, then check the solutions. The 'Topic Index' page...

This lesson plan has students subtract and round rational numbers.

Use this calculator for adding and subtracting integers. Positive and negative whole numbers are integers. The calculator shows the work for the math and shows you when to change the sign for subtracting negative numbers.

Common Core standards encourage the use of models to build understanding in math. This lesson shows sometimes reluctant 2nd graders that models are helpful tools in solving mathematical problems.

This task challenges a student to demonstrate fluency in adding and subtracting whole numbers.

This is a list of 21 questions focusing on the major concepts of each section of Chapter 3: Kinematics in Two Dimensions such as adding and subtracting vectors using different methods.

Download these free worksheets to sharpen your money skills. Sheets focus on adding and subtracting money, counting coins, dollars, making change, and multiplying and dividing money.

Download these free worksheets to sharpen your skills working with integers. Sheets focus on comparing and ordering integers, adding, subtracting, multiplying and dividing integers, and order of operations with integers.

Includes all different types of synthesis, including FM, additive, AM, subtractive, granular, RM, and wavetable.

Students learn the importance of math accuracy and, more specifically, that knowing how to add, subtract, multiply, and divide fractions make life easier for everyone. To help students come to this understanding, they are assigned to a...

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

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....

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

Teachers can assess students' knowledge of adding, subtracting, multiplying, and dividing decimals to hundredths with these printable worksheets. You can even create your own worksheet or flashcards.

This math tutorial features notes and examples that illustrate complex numbers including standard form, adding, subtracting, multiplying and dividing them.

Download these worksheets to sharpen your skills working with decimals. Sheets focus on rounding decimals, expanded form, comparing decimals, converting decimals, adding, subtracting, multiplying, and dividing decimals, and order of...

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

In this feature, adapted from Interactive NOVA: Earth, students explore the relationship between oxygen concentration and the well-being of various organisms by simulating a change in oxygen levels and observing what happens.

Introduce polynomial operations to your middle school students using the highly engaging story of ?IntelliGum?. This one-of-a-kind gum, when chewed regularly, and in appropriate quantities, will make you smarter. As part of this creative...