This week, we will begin exploring perimeter as an attribute of a shape. Students will learn that perimeter represents a linear measurement—the distance all the way around a shape—rather than the square units we use when finding area. To build a strong foundation, we will use string to wrap around classroom objects and shapes, then stretch the string out to measure the total length on a ruler. This hands-on approach will help students clearly visualize perimeter before we move into using formulas and adding together the lengths of the sides.
Later in the week, students will work in partners to design the blueprint of a gingerbread houses. Students will use the dimensions of a graham cracker (12 cm x 6 cm) to accurately design a model to scale. Students will be able to use half of a graham cracker and a fourth of a graham cracker, but have to determine the dimensions of those parts. As students add to their blueprint they must calculate the area and perimeter of their gingerbread blueprints. They must keep in mind the Essential Question: How can I design a gingerbread house that doesn't exceed 342 square centimeters and has a perimeter less than 125 cm?
*Before Christmas Break, we will bring our blueprints to life using graham crackers and candy! Below is a signup genius link. If you are able, please sign up to bring an item or two that would be so helpful! I will make the icing. Thank you!
https://www.signupgenius.com/go/4090445A5A622AAF49-53827046-gingerbread
I need all items by Monday 12/15.*
This week students will have two Simple Solutions lessons. Like November, they will continue to have 3 Reflex sessions per week as part of their homework leading up to Christmas break. Maintaining this routine is essential, as it helps us stay on track to meet our goal of achieving full fluency through the 10s by the end of 4th grade. Thank you for your continued partnership in supporting strong math habits at home!
Homework: 12/1 - 12/5