Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Two Step Metric Capacity With Addition and Subtraction

For Students 3rd - 5th
[Free Registration/Login may be required to access all resource tools.] In this learning module, students must solve two-step word problems about metric capacity using addition and subtraction. The process is demonstrated in the...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Addition, Subtraction, Multiplication, and Division of Lengths

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to solve word problems about length and distance that involve any of the four operations. Includes video demonstrating a...
Unit Plan
Scholastic

Scholastic: Study Jams! Math: Addition and Subtraction: Without Regrouping

For Students K - 1st Standards
Solve word problems with addition and subtraction without regrouping. Then test your knowledge.
Interactive
Calculator Soup

Calculator Soup: Math Word Problems: Addition & Multiplication

For Students 9th - 10th
Practice coin word problems. This calculator helps you practice word problems that involve addition and multiplication using coins.
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
CK-12 Foundation

Ck 12: Elem Math: Adding With Pictures Word Problems Sums to 20

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The video uses the picture and describes how to add two numbers with a sum less than 20. The video is followed by additional practice problems.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Mixed Operations Subtraction and Addition Ii Word Problems

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] a The video shows how to work backwards using addition and subtraction to determine the start value of a given situation. The video is followed by a series of...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Boys and Girls, Variation 1

For Teachers 1st - 2nd Standards
This word problem focuses on the Put Together/Take Apart contexts for addition and subtraction. Students may use objects, pictures, or equations to represent their solutions. Examples and explanations are provided.
Unknown Type
CK-12 Foundation

Ck 12: Add and Subtract With Different Denominators Word Problems Practice

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Practice adding and subtracting fractions with different denominators.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding or Subtracting Lengths in One Step

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

Illustrative Mathematics: Boys and Girls, Variation 2

For Teachers 1st - 2nd Standards
Students are asked to solve a word problem with both addends unknown. They will write an equation and draw a picture to use to explain their answer.
Activity
Learning Wave Communications

Learning Wave: Additive Property of Zero

For Students 6th - 8th
Properties of zero are presented in detail, with a word problem that demonstrates the additive inverse property and the additive identity property of zero.
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!
Interactive
Math Playground

Math Playground: Thinking Blocks Junior: Addition

For Students 2nd - 3rd Standards
Learn how to solve addition word problems by first creating a visual model.
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
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...
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: 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.
Whiteboard
SMART Technologies

Smart: 65 Addition/subtraction Story Problems

For Teachers 1st - 3rd Standards
Students may compare, join, separate numbers to solve these story problems. These are the tougher kinds of problems! There are also some of the more traditional, "easier" part/part/whole type of story problems here, as well.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Comparing With Two Step Addition and Subtraction

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

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

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

Learning Wave: Decimals

For Students 5th - 8th Standards
This resource contains several links that lead to discussions on several topics of decimals, including converting and comparing with fractions, rounding, estimating, and basic operations. Each page includes examples and some sample...
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.