Activity Description Visualize factors through building rectangular areas on a grid. First enter all the factorizations of a number, then draw each factor set as an area on the grid. Factorize is one of the Interactivate assessment explorers.

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Factorize

Place in mathematics curriculum:

• Teach students about factors
• Visually show how factorizations make up various numbers

This activity allows the user to find all of the factorizations of a given number and then visually plot them on a grid. Users can choose to enter in their own numbers and can also receive hints if they are having trouble. This activity would work well in groups of 2 for about 25 minutes if you use the exploration questions and 15 minutes otherwise.

Preparations for this activity:

• Encourage students to enter in numbers that have many factors such as 12 or 24
• Show students how to build the factorizations by dragging the mouse over the desired area