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.
Lesson Plan
Alabama Learning Exchange

Alex: Getting Froggy Wih It

For Teachers 1st - 2nd Standards
Students will solve problems using a number line. Students will work collaboratively to create a "Town" with the main street consisting of a number line diagram. They will practice counting forwards and backwards, measuring and...
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...
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...
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.
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.
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.
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.
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...