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Adding and Subtracting Integers

Students will learn to add and subtract integers by creating electronic models.


  • Students will create a electronic manipulatives to model addition and subtraction of integers.
  • Students will be introduced to the software Inspiration and techniques such as selecting and deselecting and object, resizing and object, moving an object, inserting a text box, entering, resizing and editing text, inserting, copying and pasting new objects, and changing/deleting objects.
  • Students will gain a deeper understanding of adding and subtracting integers.


  • Students open Inspiration while teacher gives direct instruction on manipulation of the main idea "football". (moving, resizing, selecting, deselecting, deleting)
  • Students go to the "Thinking" screen in the drop down tool bar by hitting the right arrow 3 times. Afterwards they select the "bubble" icon. They resize the icon to about 1/3 of the size of the visible screen.
  • Students insert a text box and name their project "addition and subtraction of integers".
  • Students then select math in the drop down bar and math again. They select the + sign, then copy it at least 8 times (teach them the shortcut). Do the same for the minus sign.
  • Students then search for and insert a trash can into their project.
  • Teacher gives a math problem and guides the students through putting plus signs in the circle and minus signs in the circle. When + and - pairs are removed, they are put in the trash can. Students solve the problem. This is repeated until the students can solve and model the problems independently.
  • Students can then create problems for their peers to solve.

Sunshine State Standards

  • MA.7.A.3.1

NETS Profiles for Technology Literate Students

  • Use a variety of media and technology resources for directed and independent learning activities.
  • Use developmentally appropriate multimedia resources (e.g., interactive books, educational software, elementary multimedia encyclopedias) to support learning.
  • Work cooperatively and collaboratively with peers, family members, and others when using technology in the classroom.
  • Use technology resources (e.g., puzzles, logical thinking programs, writing tools, digital cameras, drawing tools) for problem solving, communication, and illustration of thoughts, ideas, and stories.


  • Inspiration
  • Laptop

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