Unknown Type
McGraw Hill

Glencoe: Self Check Quizzes 1 Add and Subtract Fractions With Like Denominators

For Students 3rd - 8th
Use Glencoe's randomly generated self-checking quiz to test your knowledge of adding and subtracting fractions with like denominators. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of...
Handout
Math Bits

Math Bits Notebook: Arithmetic of Complex Numbers (Add, Subtract, Multiply)

For Students 9th - 10th Standards
Comprehensive resource offers an explanation of the rules for adding, subtracting, and multiplying complex numbers with examples of each.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding and Subtracting to Determine the Longest

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The video [0:34] describes how to add and subtract measurements of length from a given word problem. The video is followed by practice problems covering the topics...
Lesson Plan
Other

Nearpod: Adding and Subtracting Within 10

For Teachers K - 1st
In the activity on adding and subtracting within 10, students will use ten frames to add and subtract. They will also review key vocabulary terms, like sum, difference, and equal sign.
Unknown Type
McGraw Hill

Glencoe: Self Check Quizzes 1 Adding and Subtracting Mixed Numbers

For Students 3rd - 8th
Use Glencoe's randomly generated self-checking quiz to test your knowledge of adding and subtracting mixed numbers. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the...
Handout
Math Bits

Math Bits Notebook: Polynomials: Add & Subtract

For Students 9th - 10th Standards
Features examples of how to add and subtract polynomials using various methods. These include the horizontal method, the vertical method, and algebra tiles.
Unit Plan
Khan Academy

Khan Academy: Add & Subtract Vectors

For Students 9th - 10th
Add and subtract vectors given in component form. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Interactive
ABCya

Ab Cya: Molly Adds & Subtracts From 10

For Students K - 1st Standards
This educational activity provides word problems with manipulatives for kids to practice adding and subtracting within 10. The word problems are read aloud and have objects that can be used for counting. Children may need assistance from...
Interactive
ABCya

Ab Cya: Molly Adds & Subtracts From 20

For Students 1st - 2nd Standards
This educational activity provides word problems with manipulatives for kids to practice adding and subtracting within 20. The word problems are read aloud and have objects that can be used for counting. Children may need assistance from...
Unit Plan
Khan Academy

Khan Academy: Add and Subtract on the Number Line Word Problems

For Students 1st - 3rd Standards
Practice adding and subtracting using the number line. Numbers used are 100 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Khan Academy

Khan Academy: Practice: Add and Subtract Within 100 Word Problems 1

For Students 2nd - 3rd Standards
Practice adding and subtracting within one hundred with these multiple-choice problems.
Unknown Type
Khan Academy

Khan Academy: Practice: Add and Subtract Within 100 Word Problems 2

For Students 2nd - 3rd Standards
Practice adding and subtracting within one hundred with these multiple-choice problems.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtracting Using Tens and Ones

For Students 1st - 2nd Standards
[Free Registration/Login may be required to access all resource tools.] The video shows a model of how to group using tens and ones, subtract, and then count what is left using the grouping. The video is followed by a series of practice...
Unit Plan
Khan Academy

Khan Academy: Find Missing Number (Add and Subtract Within 20)

For Students K - 1st Standards
Learn how to solve problems like "___ - 7 = 18" where you don't know one of the values in an addition or subtraction equation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Lesson Plan
Lesson Tutor

Lesson Tutor: Fraction Addition and Subtraction Lesson

For Teachers 3rd - 8th Standards
This site is an online lesson plan of how to correctly add and subtract fractions is provided here. Many examples of the processes are worked out and the solutions provided. An elementary teacher looking for some useful advice and...
Unit Plan
Lesson Tutor

Lesson Tutor: Addition and Subtraction of Decimals

For Students 4th - 6th Standards
This site is an online lesson plan and practice problems for students learning how to add and subtract two decimal values are provided here. Detailed explanation of both the methods and the practice questions are provided for easy...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtracting 2 Digit Numbers Without Regrouping

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a two-digit subtraction problem without regrouping. The video is followed by additional problems for students to practice the skills...
Unit Plan
CK-12 Foundation

Ck 12: Algebra Ii: Addition and Subtraction of Polynomials

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Here you'll learn how to add and subtract polynomials, as well as learn about the different parts of a polynomial. Practice problems are also included.
Unit Plan
Khan Academy

Khan Academy: Practice: Add Within 100 Using a Number Line

For Students 1st - 3rd Standards
Practice adding and subtracting numbers like 54 and 37 using a number line. Numbers used in these problems are all less than 100. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Interactive
Doina Popovici

Math Play: Fractions Jeopardy

For Students 3rd - 8th
Assess your knowledge of adding, subtracting, multiplying, and dividing fractions with a game of jeopardy.
Unknown Type
Common Core Sheets

Common Core Sheets: Number and Operations Fractions 5.nf.1 Worksheets

For Teachers 5th
Teachers can assess students' knowledge of adding and subtracting fractions with these printable worksheets. You can even create your own worksheet or flashcards.
Unknown Type
CK-12 Foundation

Ck 12: Elem Math: Adding and Subtracting Lengths Metric Units

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Practice problems involving addition or subtraction of 3 measurements to solve for a specific length.
Unknown Type
Common Core Sheets

Common Core Sheets: Number and Operations in Base Ten 5.nbt.7 Worksheets

For Teachers 5th Standards
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.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Applications of Rational Expressions

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson students solve applications that involve adding and subtracting rational expressions. Students watch a video tutorial, explore guided notes and...