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# Area of Composite Figures (3.6D)

Common Core Standards
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PDF (Acrobat) Document File

5 MB|21 pages
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Area of Composite Figures: This resource is designed for third graders who need additional practice with the concept of area- specifically finding the area of composite figures made up of rectangles (TEKS 3.6D and Common Core Standard 3.MD.C.7.D). It has a fun karate theme that students will enjoy!

The Math Intervention Series was created based on a need for quick, easy prep activities that could be used with students who need additional practice in key math skills. It is designed to be used with a small group during a guided math workshop or tutoring session. Each component of this resource (small group, math center, and assessment) is designed with a specific time frame in mind – about 15 to 20 minutes per activity. This resource can be used in one day or spread across several days.

This resource includes:
★Page 3-4: Resource information including when the resource is used and teacher prep of materials (if needed)

★Pages 5-11: Small Group lesson plans, word problems, and answer key.
The word problems all involve finding the area of a composite figure made up of rectangles. The word problems are designed to be worked through with teacher guidance in order to introduce and practice strategies. The small group component includes four word problems, lesson plans, and answer key.

★ Pages 12-20: Area Task Cards- Includes an assignment poster to display, 12 task cards, recording sheet, and answer key. This is designed as part of a math center. Students find the area of composite figures and create their own composite figure problem. Note: The task cards are open-ended, not multiple choice. Open-ended questions require students to work through each problem and also remove the possibility of guessing.*Includes a teacher reference answer key with images of each task card and an explanation of the correct answer.

★ Pages 21-22 Quick-check/Assessment: This one page assessment includes 8 questions. Students must answer the area word problems.

Note: I referenced these TEKS (Texas Essential Knowledge and Skills) when creating this resource:
3.6(D) decompose composite figures formed by rectangles into non-overlapping rectangles to determine the area of the original figure using the additive property of area
This resource also can be used to review the following Common Core Standards:
CCSS.MATH.CONTENT.3.MD.C.7.DRecognize area as additive. Find areas of rectilinear figures by decomposing them into non-overlapping rectangles and adding the areas of the non-overlapping parts, applying this technique to solve real world problems

This resource prints well in black and white or color.

I encourage you to check the preview to see more of what is included! Thank you!

- The Knitted Apple
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Other resources in the 3rd grade Math Intervention Series:

Measurement
Area of Rectangles
Perimeter of Polygons with Missing Lengths
Multiplication and Division
Multiplication and Division within 100
Patterns in Tables {Multiplication and Division}
Place Value
Place Value to 100,000
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Total Pages
21 pages
Included
Teaching Duration
1 hour
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