IM 6.5.7 Practice: Using Diagrams to Represent Multiplication

What do you want to download?

You can either download the .ggb file alone or the complete webpage for students with tasks.

I agree to the terms of GeoGebra's non-commercial license

• Offline Activity (.zip)

• GeoGebra Files

  1. Here is a rectangle that has been partitioned into four smaller rectangles. For each expression, choose the sub-rectangle whose area, in square units, matches the expression. (.ggb)
     
  2. Here is an area diagram that represents (3.1) · (1.4). Find the areas of sub-rectangles A and B. (.ggb)
     
  3. Draw an area diagram to find (0.36) · (0.53). Label and organize your work so that it can be followed by others. (.ggb)
     
  4. Find the product: (2.5) · (1.4). Show your reasoning. (.ggb)
     
  5. Find the product: (0.64) · (0.81). Show your reasoning. (.ggb)
     
  6. Complete the calculations so that each shows the correct sum. (.ggb)
     
  7. Diego bought 12 mini muffins for $4.20. At this rate, how much would Diego pay for 4 mini muffins? Add this to the table. (.ggb)