Presentation (Powerpoint) File
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0.33 MB | 16 pages
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This PowerPoint, with bright colors and lots of movement, is perfect for introducing your students to the concept of "find the missing number" algebra. It includes slides for adding integers 1-9 up to the sum of 10, and six cut-able work sheets for centers or independent work. After learning how to do it by watching the PowerPoint, have your students use one color for the first addend, then a second color for the second, unknown addend.