Unit Plan
Khan Academy

Khan Academy: Subtraction Within 1000

For Students 3rd - 5th Standards
In this exercise, students practice subtraction within 1000. Students receive immediate feedback and have the opportunity to get hints, watch video tutorials, and try questions repeatedly. CCSS.Math.Content.3.NBT.A.2 Fluently add and...
Unknown Type
Khan Academy

Khan Academy: Subtraction Within 100

For Students 1st - 3rd Standards
In this exercise, students practice subtraction within 100. Students receive immediate feedback and have the opportunity to watch a video tutorial, get hints, and try questions repeatedly. CCSS.Math.Content.3.NBT.A.2 Fluently add and...
Unit Plan
Cool Math

Coolmath: Coolmath4kids: Adding Numbers Within 1000

For Students 3rd - 4th Standards
Step-by-step tutorial showing how to add 3-digit numbers in place value columns with and without regrouping. CCSS.Math.Content.3.NBT.A.2 Fluently add and subtract within 1000
Unit Plan
Khan Academy

Khan Academy: Addition Within 1000

For Students K - 1st Standards
In this exercise, students practice addition within 1000. Students receive immediate feedback and have the opportunity to get hints, watch a video tutorial, and try questions repeatedly. CCSS.Math.Content.3.NBT.A.2 Fluently add and...
Lesson Plan
Other

Nearpod: Adding & Subtracting: Unlike Denominators

For Teachers 5th Standards
In this lesson, 5th graders will learn how to add and subtract fractions and mixed numbers using models and by finding common denominators.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Add, Subtract, Multiply, and Divide Missing Operation

For Students 4th - 5th
[Free Registration/Login may be required to access all resource tools.] In this learning module, students must follow the order of operations to solve an equation with several operations where one sign is missing. Includes video...
Lesson Plan
Other

Nearpod: Adding & Subtracting Within 5

For Teachers K Standards
In the lesson on adding and subtracting within 5, students will use five frames to add and subtract. They will also review key vocabulary terms, like sum, difference, and equal sign.
Unit Plan
AAA Math

Aaa Math: Consumer Math

For Students 1st - 8th Standards
From basics such as adding and subtracting money, converting coins, and making change to more advanced topics such as sales tax and simple interest, this interactive tutorial offers help with consumer math issues.
Handout
Fact Monster

Fact Monster: Decimals Places

For Students 3rd - 5th Standards
Fact Monster: Decimals is a learning module that focuses on digit placement. It also provides videos on how to add and subtract decimals and how to multiply and divide decimals.
Website
Oswego City School District

Regents Exam Prep Center: Rational (Fractional) Expressions

For Students 9th - 10th Standards
A wealth of resources to help you in planning classroom instruction on rational expressions: lesson plans offer guidelines for and examples of simplifying, adding and subtracting, multiplying and dividing rational expressions; practice...
Unknown Type
Khan Academy

Khan Academy: Matrix Equations: Addition and Subtraction

For Students 9th - 10th Standards
Solve equations where the unknown is a matrix, by using matrix addition and subtraction. Students receive immediate feedback and have the opportunity to try questions repeatedly or receive hints.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Mixed Operations Selecting the Correct Sentence

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The video shows how to add and subtract three digit numbers to determine which number sentence matches the correct solution. The video is followed by a series of...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Mixed Operations Selecting the Incorrect Sentence

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video shows how to add and subtract three digit numbers with two operations in a number sentence to determine which number sentence does not match the correct...
Unit Plan
PBS

Pbs: The Number Line: Rational Numbers and Football

For Students 6th - 8th
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....
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Fractions With Common Denominators Word Problems

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to solve word problems where they must add and subtract fractions that have the same denominators. Includes video...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Fractions With Different Denominators Word Problems

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] In this learning module, students solve word problems where they must add and subtract fractions with different denominators. Includes video demonstrating a sample...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Solving for Start Time End Time or Elapsed Time

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The video involves filling in a chart of start time, end time, and elapsed time describing how to add and subtract time in hour and minutes. The video is followed by...
Lesson Plan
PBS

Pbs Kids Afterschool Adventure!: Operation: Rainbow Math Activity Plan

For Teachers Pre-K - K
Red apples, orange candles, yellow stars, green frogs, and blue, indigo, and violet flowers-they all add up to Rainbow Math fun! During this adventure children learn the colors of the rainbow as they practice counting, adding and...
eBook
Math Planet

Math Planet: Monomials and Adding or Subtracting Polynomials

For Students 6th - 8th
Gain an understanding of how to add or subtract polynomials by viewing an example and a video lesson.
Unknown Type
Khan Academy

Khan Academy: Add Fractions With Unlike Denominators

For Students 4th - 6th Standards
Practice adding fractions that have different denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Scholastic

Scholastic: Study Jams! Math: Relate Adding, Subtracting

For Students 1st - 4th Standards
Watch a short video on the relationship between addition and subtraction then assess your knowledge with practice questions.
Activity
Physics Aviary

Physics Aviary: Vector Math

For Students 9th - 10th Standards
This activity checks that you are able to add and subtract vectors, calculate the dot and cross product of vectors, and multiply or divide vectors by scalars.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Add, Subtract, and Multiply With Parentheses Missing Number

For Students 4th - 5th
[Free Registration/Login may be required to access all resource tools.] This is a video and practice problems demonstrate finding missing numbers using order of operations and working backwards. Operations include addition, subtraction,...
Website
Discovery Education

Discovery Education: Web Math: General Math

For Students 3rd - 8th
An extraordinary site that will help you with your math homework. Presented in a format that is both easy to understand and educational. Navigate through numerous instant-answer, self-help math solvers to help you figure out your math...