Today we are going to be finding factors of numbers, recognizing prime numbers, using an array as a model for multiplication.
When a group of people need to sit down, we often arrange chairs in an array that fits the space. Can you think of some places this might happen?
How could we arrange chairs in a rectangular array for a group of 18 people? What other ways could you arrange them? You will work with a partner and cubes to make all the arrays you can for 18. You will choose one array to share with the class on the SmartBoard.
How can you count the squares in the array? Turn to your shoulder partner and share your ideas.
Now you will work with your partner again! I am going to give you a number and you are going to find all the possible arrays for that number. You will work in Microsoft Word. Save your poster in the math folder. If you finish early, come up for another number to work on. I will print them and hang them in our room. We will take a gallery walk tomorrow.
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