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# Grade 3 Math Module 7 Topic D

Subjects
Resource Types
Common Core Standards
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4.0
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NOTEBOOK (SMARTboard) File
2.15 MB   |   112 pages

### PRODUCT DESCRIPTION

In Topic D, students utilize a line plot to draw conclusions about perimeter and area measurements.
Students use a given number of unit squares to build and determine different perimeters of rectangles in Lesson 18. For example, given a rectangle composed of 24 unit squares, students find there are four possible perimeters: 50, 28, 22, and 20 length units. They draw their rectangles on grid paper and discuss the fact that rectangles with side lengths that are equal or almost equal (squares or square-like rectangles) have smaller perimeters than rectangles whose side lengths are very different (long and narrow rectangles). Students continue to explore with different numbers of unit squares and record the number of possibilities, noting when they have found all the possible combinations. They recognize that area and perimeter are measured in different units and conclude that, in general, there is no way of knowing an exact perimeter for any number of unit squares without more information about the side lengths.
Total Pages
112
N/A
Teaching Duration
1 Week

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