Interactive
Visual Fractions

Visual Fractions: Addition of Like Fractions With Number Line Models

For Students 3rd - 8th Standards
Test your aptitude at adding fractions on a number line. Enhance your skills using this interactive math game. Immediate feedback and examples provided.
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Australlia Bbq Party: Addition

For Students 3rd - 5th
Students will complete a series of learning games to practice addition with standard algorithms.
Unknown Type
Illustrative Mathematics

Illustrative Mathematics: 4.nbt What's My Number?

For Teachers 3rd - 5th Standards
The purpose of this task is for students to reason about base-ten numbers on the number line in a way that will require them to use what they know about place value. Students first represent addition and subtraction on the number line in...
Unknown Type
Khan Academy

Khan Academy: Integers: Negative Numbers: Number Opposites

For Students 5th - 7th Standards
Students take a quiz over the concept of integer opposites, also known as additive inverses. After answering each question they are given feedback. Hints are available but affect the score. If students are still struggling with the...
Interactive
Visual Fractions

Visual Fractions: Add Unlike Fractions With Number Line Models

For Students 3rd - 8th Standards
Boost your ability to add number line fractions with unlike denominators with this interactive math game. A basic understanding of factors is key to success. Instructions with detailed examples are easily accessible.
Activity
K-5 Math Teaching Resources

K 5 Math Teaching Resources: Adding and Subtracting 100 [Pdf]

For Students 2nd - 3rd Standards
Students can practice addition and subtraction of 100 on a number line with this activity.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding and Subtracting Money With Pictures in Columns

For Students 3rd - 5th
[Free Registration/Login may be required to access all resource tools.] The resource begins with a video that describes and shows the process of adding money by lining them up in columns. The pictures included in the video and the...
Professional Doc
Louisiana Department of Education

Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Addition and Subtraction of Length Units

For Students 2nd Standards
A guide to support parents as they work with their students addition and subtraction of length units.
Professional Doc
History is Fun

Jan Brett: Addition Facts Flashcards for 11 Pdf [Pdf]

For Students Pre-K - 1st
Print out these colorfully illustrated PDF file pages to practice your addition facts when adding an eleven. Fold them in half and one side shows the problem while the other side shows the problem with the correct answer. Put them in a...
Lesson Plan
Better Lesson

Better Lesson: Smoothing Out Subtraction

For Teachers 2nd
Second graders demonstrate comfort with addition, but show less ease with subtraction. Repeated practice with subtraction is necessary to build fluency.
Lesson Plan
PBS

Pbs Learning Media: Math + Arts: The Absolute Value of Dance

For Students 6th - 8th Standards
In this lesson, students use a graph to choreograph a dance figure. Media resources and teacher materials are included.
Lesson Plan
Lesson Tutor

Lesson Tutor: Multiplying Two Digits by Three Digits

For Teachers 3rd - 8th
An interesting lesson plan is presented here for teachers instructing students on how to multiply two-digit numbers by three-digit numbers. The site refers to the process as "line dancing," and presents a worked-through example. At the...
Unit Plan
Khan Academy

Khan Academy: Ordering Negative Number Expressions

For Students 6th - 8th Standards
Practice solving challenging negative number addition and subtraction problems. Number line models, variables, and absolute value come together to push your knowledge of negative numbers even deeper (maybe even below zero!). Students...
Whiteboard
ClassFlow

Class Flow: Adding and Subtracting Integers

For Teachers 6th - 8th
[Free Registration/Login Required] In this flipchart students watch a video on adding and subtracting integers, take notes, then practice with colored chips and a number line.
Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation

For Students Pre-K - 1st Standards
This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.
Activity
TeachEngineering

Teach Engineering: Forces and Graphing

For Teachers 6th - 8th
This activity can be used to explore forces acting on an object, to practice graphing experimental data, and/or to introduce the algebra concepts of slope and intercept of a line. A wooden 2x4 beam is set on top of two scales. Students...