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Explore GeoGebra Classroom (Part 1)

Which shapes on the left side are triangles? Drag each triangle over to the right side.

Classify each object on the left by its shape. Do so by dragging each one into its correct space on the right.

Markus paid $1.00 for a cheap souvenir that was only worth $0.16. What would his change be? Illustrate below by dragging coins below the line.

Drag coins on top of the dollar bill shown so that the value of all these coins also totals $1.00.

How many sides does a triangle have?

Marca todas las que correspondan
  • A
  • B
  • C
  • D
  • E
  • F
Revisa tu respuesta (3)

Which of the following polygons have an even number of sides?

Marca todas las que correspondan
  • A
  • B
  • C
  • D
  • E
  • F
Revisa tu respuesta (3)

Whoa! It's quarter of eight. What would that look like here?

Each large square has value 1. Display the value 339% below.

Without using a calculator, determine which is greater: or ? Use the app below to help you determine the answer to this question. After answering it, describe how the app illustrates and supports your assertion.

Use the protractor to measure the 3 angles below. Record this measure in the diagram.

Susan has $165 saved up so far. This amount is 40% of the amount she needs to purchase a swimming pool. What is the cost of the swimming pool?

Find the area of the parallelogram on the left. Show and explain your reasoning. Source: Illustrative Mathematics & Open Up Resources 6-8 Math Curriculum

Check out the mystery number "r" in the app below. Move points around and watch this value change as you do.

What do you notice about this mystery number r above? What do you wonder? Describe.

What kind of 3D surfaces can you create here? Explore!

For each box-and-whisker plot below, drag the red point to where you think the mean of the data set is located. Click on the "Check the Means" button to confirm.

For the app above, is there any way to tell whether the mean will be located on the left side (below) or right side (above) the median?

Create a parallelogram below so that no vertex coordinate repeats. Then justify why your quadrilateral is a parallelogram. Source: OpenMiddle.com

Use the SEGMENT tool to help construct inscribed angles D and E that both intercept arc AB. Then, use the ANGLE tool to measure these two angles.

Select the MOVE Toolbar Image tool now. Move points and other objects around. Describe in detail any observation(s) you notice.