K-5 Math Teaching Resources
K 5 Math Teaching Resources: Adding and Subtracting 100 [Pdf]
Students can practice addition and subtraction of 100 on a number line with this activity.
Alabama Learning Exchange
Alex: Getting Froggy Wih It
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...
CK-12 Foundation
Ck 12: Elem Math: Adding and Subtracting Money With Pictures in Columns
[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 Tutor
Lesson Tutor: Multiplying Two Digits by Three Digits
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...
Khan Academy
Khan Academy: Ordering Negative Number Expressions
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...
Better Lesson
Better Lesson: Smoothing Out Subtraction
Second graders demonstrate comfort with addition, but show less ease with subtraction. Repeated practice with subtraction is necessary to build fluency.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation
This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.
ClassFlow
Class Flow: Adding and Subtracting Integers
[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.
PBS
Pbs Learning Media: Math + Arts: The Absolute Value of Dance
In this lesson, students use a graph to choreograph a dance figure. Media resources and teacher materials are included.
TeachEngineering
Teach Engineering: Forces and Graphing
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...