# Mathematics

• ### On Both of the Lines: IM 8.4.11

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GeoGebra Classroom Activities

• ### Strategic Solving: IM 8.4.6

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GeoGebra Classroom Activities

• ### Rectangles with Fractional Side Lengths: IM 6.4.13

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GeoGebra Classroom Activities

• ### Coordinate Moves: IM 8.1.5

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GeoGebra Classroom Activities

• ### Reasoning about Equations and Tape Diagrams Part 2: IM 7.6.5

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GeoGebra Classroom Activities

• ### Parallel Lines and the Angle in a Triangle: IM 8.1.16

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GeoGebra Classroom Activities

• ### Combining Like Terms (Part 1): IM 7.6.20

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GeoGebra Classroom Activities

• ### Writing Equations for Lines: IM 8.2.11

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GeoGebra Classroom Activities

• ### Surface Area of a Cube: IM 6.1.18

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GeoGebra Classroom Activities

• ### Expressions with Rational Numbers: IM 7.5.13

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GeoGebra Classroom Activities

• ### Using Diagrams to Represent Multiplication: IM 6.5.7

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GeoGebra Classroom Activities

• ### Area of Triangles: IM 6.1.8

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GeoGebra Classroom Activities

• ### Tax and Tip: IM 7.4.10

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GeoGebra Classroom Activities

• ### Grid Moves: IM 8.1.3

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GeoGebra Classroom Activities

• ### Comparing Relationships with Tables: IM 7.2.7

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GeoGebra Classroom Activities

• ### Interpreting Rates: IM 6.3.6

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GeoGebra Classroom Activities

• ### Using Diagrams to Find the Number of Groups: IM 6.4.6

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GeoGebra Classroom Activities

• ### More Linear Relationships: IM 8.3.6

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GeoGebra Classroom Activities

• ### Open Middle: Building Parallelograms

Activity

Tim Brzezinski

• ### Solving Percentage Problems: IM 6.3.14

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GeoGebra Classroom Activities

• ### Color Mixtures: IM 6.2.4

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GeoGebra Classroom Activities

• ### Solving Equivalent Ratio Problems: IM 6.2.14

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GeoGebra Classroom Activities

• ### The Shadow Knows: IM 8.2.13

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GeoGebra Classroom Activities

• ### Adding and Subtracting to Solve Problems: IM 7.5.7

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GeoGebra Classroom Activities