Exploring Factors and Rectangles for Whole Numbers
Explore the concept of factors and rectangles for whole numbers using a hands-on approach. Understand how to create rectangular arrays and identify factor pairs. Discover the versatility of rectangles and the impact of orientation on their properties. Engage in group activities to visualize and articulate multiplication equations through making various rectangles with assigned numbers.
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Presentation Transcript
Day 1 - Making Rectangles
I can create rectangular array models to represent the factors for a given whole number. I can identify factor pairs of a multiple between 1 and 25. 2
Using 12 Using these 12 tiles, make as many rectangles as possible. You must use all 12 tiles and all they must make a rectangle. 3
Rectangles with 12 Tiles Number in Each Row 1 Number of Rows Multiplication Equation 12 x 1 = 12 12 4
What did you notice? How many different rectangles can you make? Were the rectangles the same? Were the rectangles different? How would you describe your rectangle? Does the orientation of the rectangles matter? Is a 2 x 6 rectangle the same as a 6 x 2 rectangle?
1. Work together to make all possible rectangles for your assigned numbers 2. Draw the rectangles on grid paper and cut them out 3. Write the corresponding multiplication equation on the rectangle and attach the rectangles to 6 your group chart
Making Rectangles Group 1: 1, 10, 18, 23 Group 2: 2, 7, 9, 11, 12 Group 3: 3, 13, 17, 24 Group 4: 4, 8, 16, 20 Group 5: 5, 15, 22, 25 Group 6: 6, 14, 19, 21 7
