Unit Plan
E-learning for Kids

E Learning for Kids: Math: Llama Farm: Addition and Subtraction

For Students 4th - 6th Standards
On this interactive site students learn to solve subtraction problems using a formal algorithm and to apply place value concepts.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Comparing With One Step Addition and Subtraction Word Problems

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The video is a one step word problem using subtraction. The video is followed by practice problems to assess student understanding of the concept.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding and Subtracting Fractions Word Problems

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] The mathematics resource includes a video and practice problems. The video is a tutorial on how to solve a subtraction word problem involving fractions with common...
Handout
Oswego City School District

Regents Exam Prep Center: Solving Systems Using Addition or Subtraction

For Students 9th - 10th Standards
Three examples are used to demonstrate solving a system of linear equations algebraically using addition and subtraction. The examples cover different situations that occur with the coefficients of the variable terms. Includes several...
Activity
Scholastic

Scholastic: Math Maven's Mysteries: The Case of the Hatcher Hotel Heist

For Students K - 1st Standards
Help Math Maven solve this mystery! Items are missing from several hotel rooms, but some addition and subtraction clues have been left behind. Use your skills to figure out where the thief will strike next!
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Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Solving One Step Equations

For Students 9th - 10th Standards
Twenty-five problems present a variety of practice solving one-step equations with addition and subtraction. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click...
Unit Plan
Khan Academy

Khan Academy: Add and Subtract Fractions Word Problems

For Students 4th - 6th Standards
Practice solving fraction addition and subtraction word problems. The fractions in these problems have unlike denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Add and Subtract to 100 Mixed Operations and Word Problems

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] This is a set of practice problems where students solve addition and subtraction problems in order to determine missing numbers to keep the equation balanced. When...
Unit Plan
Khan Academy

Khan Academy: Add and Subtract Within 100 Word Problems 3

For Students 1st - 3rd Standards
Practice solving word problems with addition and subtraction. These questions are start unknown problems including add to and take from problems. Numbers used are 100 or less. Students receive immediate feedback and have the opportunity...
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Khan Academy

Khan Academy: Add and Subtract Within 100 Word Problems 2

For Students 1st - 3rd Standards
Practice solving word problems with addition and subtraction. These questions are comparison problems including difference unknown, smaller value unknown, and bigger value unknown. Numbers used are 100 or less. Students receive immediate...
Unit Plan
Khan Academy

Khan Academy: Challenging Add and Subtract Word Problems (Within 100)

For Students 1st - 3rd Standards
Practice solving more challenging addition and subtraction word problems with "more" and "fewer". Multi-step problems are also included. Numbers used are 100 or less. Students receive immediate feedback and have the opportunity to try...
Activity
CK-12 Foundation

Ck 12: Mental Math for Addition and Subtraction Equations

For Students 6th - 9th Standards
[Free Registration/Login Required] Students will use a real world example to solve single variable equations mentally. Click challenge me to answer a practice question and click learn more to watch a video.
Unit Plan
Khan Academy

Khan Academy: Find the Missing Number (Add and Subtract Within 100)

For Students 1st - 3rd Standards
Practice solving problems like "___ - 45 = 27" where you have to figure out the missing value in an addition or subtraction equation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...
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Khan Academy

Khan Academy: Add and Subtract Within 100 Word Problems 1

For Students 1st - 3rd Standards
Practice adding and subtracting to solve word problems. These questions are result unknown or change unknown problems. Numbers used are 100 or less. Students receive immediate feedback and have the opportunity to try questions...
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Khan Academy

Khan Academy: Solve Problems With Bar Graphs 2

For Students 1st - 3rd Standards
Use bar graphs to solve addition and subtraction word problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a tutorial video, or receive hints.
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Khan Academy

Khan Academy: Add and Subtract Mixed Numbers Word Problems (Like Denominators)

For Students 4th Standards
Solve addition and subtraction word problems involving fractions and mixed numbers. Fractions and mixed numbers have common denominators.
Unit Plan
Khan Academy

Khan Academy: Adding & Subtracting Negative Numbers

For Students 6th - 8th Standards
Practice solving addition and subtraction problems with integers (positive and negative numbers). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding and Subtracting Lengths in Two Steps

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] This resource is a video that demonstrates using two different steps with addition or subtraction to solve a word problem. Practice word problems follow using two...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: One Step Metric Capacity, Add and Subtract Word Problems

For Students 3rd - 4th
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to use addition and subtraction to solve simple word problems about metric capacity. Includes video demonstrating a...
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Khan Academy

Khan Academy: Add and Subtract Within 100 Word Problems 2

For Students 2nd Standards
Practice solving word problems with addition and subtraction. These questions are comparison problems including difference unknown, smaller value unknown, and bigger value unknown. Numbers used are 100 or less.
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Khan Academy

Khan Academy: Add and Subtract Within 100 Word Problems 3

For Students 2nd Standards
Practice solving word problems with addition and subtraction. These questions are start unknown problems including add to and take from problems. Numbers used are 100 or less.
Lesson Plan
PBS

Pbs Kids Afterschool Adventure!: Operation: Adding Up, Taking Away Activity Plan

For Teachers 1st - 3rd
In this week's Afterschool Adventure, children will practice and explore strategies for solving addition and subtraction problems, such as using counters and rulers, performing mental math, and drawing pictures. As children encounter...
Unit Plan
Khan Academy

Khan Academy: Solve Problems With Picture Graphs 1

For Students K - 1st Standards
Read and interpret picture graphs. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a tutorial video, or receive hints.
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...