# Results forfinding perimeter with an unknown side

Finding perimeter with a missing side length powerpoint.
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PPTX (380.42 KB)

Perimeter Mystery Pictures These are mystery picture activity sheets for Grade 3 on finding the perimeter of polygons, including finding the length of an unknown side length. Students are to complete the questionnaire, then color the squares to discover the mystery pictures. ----------------------
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\$4.99
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PDF (4.55 MB)

I’ve created 8 worksheets that can be used to review finding the perimeter of a polygon with an unknown side length. These worksheets were specifically created for students that are struggling with finding the perimeter of a polygon that contains an unknown side. Laminate or print a copy and put the
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Perimeter with unknown sides! In this cut and paste activity, students will find the missing side of a polygon, then add the sides to find the perimeter. They will use the answer choices on the paper and cut them out and glue them next to the unknown side. When complete, they can glue their paper i
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PDF (387.3 KB)

Practice Students will find the missing length of each shape. Perimeter is given to help figure out missing length.
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CCSS:
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PDF (196.64 KB)

Mollie People help your little people practice finding an unknown side to a polygon! Students can practice finding the unknown side to a polygon using handy strip chart format. Cards A-H are easier, I-P are medium difficulty, and Q-X are more difficult. Please visit my store for more printables
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PDF (7.72 MB)

This flipchart addresses CCSS.Math.Content.3.MD.D.8 Solve real world and mathematical problems involving perimeters of polygons, including finding the perimeter given the side lengths, finding an unknown side length, and exhibiting rectangles with the same perimeter and different areas or with the s
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FLIPCHART (108.35 KB)

A Mathlete contains an extended constructed response item that provides the rigor of the Common Core Standards of Mathematics. These two Mathletes help students to apply their knowledge of perimeter and require students to find the length of the unknown side. An answer sheet for each Mathlete is i
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Wild West Problem Solving Task Cards: This set of task cards includes 10 multi-step challenging word problems for upper elementary. Written using 4th grade standards, this is an excellent comprehensive set of problem solving cards for all 4th grade classrooms and a terrific review for 5th grade cla
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15 Ratings
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PDF (6.39 MB)

This adorable FINDING THE UNKNOWN SIDE for PERIMETER resource includes 16 self-checking center game cards, with recording sheets and answer keys. It also includes 16 colorful task cards with recording sheet and answer key. Two additional stand alone printables and answer keys are also included. Prin
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Also included in: Perimeter and Area Center Games, Printables and Task Cards Bundle

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58 Ratings
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PDF (6.75 MB)

This adorable FINDING THE UNKNOWN SIDE for PERIMETER resource includes 16 self-checking center game cards, with recording sheets and answer keys. It also includes 16 colorful task cards with recording sheet and answer key. Two additional stand alone printables and answer keys are also included. Prin
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24 Ratings
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PDF (6.68 MB)

Area and Perimeter: Find Unknown Side Lengths Another day, another handout. A sweet handout that is. This time we're teaching students to find the unknown side length of a figure before they can determine the perimeter of that figure. As always, we cover the steps then give plenty opportunity for y
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41 Ratings
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DOCX (460.35 KB)

This worksheet addresses CCSS 3.MD.D.8: Solve real world and mathematical problems involving perimeters of polygons, including finding the perimeter given the side lengths, finding an unknown side length, and exhibiting rectangles with the same perimeter and different areas or with the same area and
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33 Ratings
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PDF (48.59 KB)

These task cards include irregular polygons that have missing sides. Students need to solve for the missing side, and then find the perimeter. These task cards can be used as scoot, placed around the room for practice, or however you feel they can be used in your room. When I used these in my cla
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23 Ratings
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PDF (1.06 MB)

This practice page is great for reteaching students how to find an unknown side length when the perimeter is given. Perfect for in or out of the classroom.
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PDF (265.68 KB)

Google Paperless Practice - 3rd Grade Finding the Perimeter of Polygons {3.MD.8} Engage your students with this interactive DIGITAL resource that works with Google Slides™. No more copies to be made, no more printer ink, and no more lost papers! With this 22-slide digital resource, your students
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21 Ratings
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PDF (25.45 MB)

Your students will have fun practicing finding perimeter as they solve emoji mystery pictures! Students solve math problems and color by code. This set of math mysteries reviews the following:1. Find perimeter using a grid 2. Find perimeter with given side lengths3. Solve real world problems (incl
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CCSS:
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9 Ratings
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ZIP (1.32 MB)

16 questions about perimeter. Each question gives the total perimeter of the shape and requires students to find the missing side(s). Shapes included are rectangle, triangle, rhombus, square, hexagon, octagon, parallelogram, and pentagon. The last page has the answer choices that students can match
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3 Ratings
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PDF (43.14 KB)

This is a PowerPoint math lesson that teaches students to determine the missing length of a side, when given the perimeter of the figure. This PowerPoint could be used as a math mini-lesson or a center activity. Featuring kid-friendly graphics and teacher-friendly PowerPoint controls, this is a grea
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3 Ratings
3.8

PPTX (801.76 KB)

Adding of side lengths of polygons activity for 3rd grade Common Core State Standards for Mathematics. In this activities students explore real world problems regarding finding the perimeter of regular and irregular polygons. For example "Given the dimensions of a swimming pool, bordered by a sid
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2 Ratings
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FLIPCHART (75.14 MB)

Higher level- Students will name the shape that they see, use larger numbers and also be asked to figure out the other sides using their knowledge of equal sides.Medium Level- Students will name the shape that they see, use smaller numbers and have a challenge question to figure out the other sides
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PDF (263.6 KB)

INCLUDED in this download:Math Doodle Notes SheetGuided Practice SheetPowerPoint – to show students the KEY– two versions of both sheets included: INB and large 8.5 x 11 sizeALL TEKS and CC Aligned – plan for the FULL year included!These doodle notes sheets are the SAME CONTENT as my 3rd grade folda
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ZIP (41.03 MB)

In Find Perimeter of Rectangles students will be asked to find the perimeter of rectangles in two different activities. In the first activity students will be asked to find the perimeter of 12 rectangles by adding the side lengths together. In the second activity students will be asked to find the p
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PDF (117.67 KB)

Aligned to Common Core 3.MD.D.8 and Mathematical Practices 6 & 8. This resource is included in my NO PREP 3rd Grade Complete Perimeter Bundle.Are you looking for differentiated worksheets for your students to practice finding the perimeter of a rectangle with an unknown side length? Then this is
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ZIP (759.42 KB)

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