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# Area of Composite Figures | Rectilinear Area | 3.MD.7

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3rd - 4th
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1. This area and perimeter BUNDLE includes EVERYTHING you need to supplement your unit on area and perimeter. It is filled with area and perimeter worksheets, games, activities bundle, mini lessons and interactive notebook entries, and hands-on activities! This aligns with 3.MD.5, 3.MD.6, 3.MD.7 and 3.
Price \$25.00Original Price \$46.00Save \$21.00
2. This 3rd grade math unit bundle includes EVERYTHING you need to teach every 3rd grade math standard for the WHOLE YEAR! There are 3rd grade math worksheets, 3rd grade math games, 3rd grade math activities, and 3rd grade mini-lessons for every third grade math standard. There are over 7,000 total pag
Price \$179.99Original Price \$355.00Save \$175.01

### Description

Do your students struggle to find the area of composite figures? In this 3rd grade rectilinear area unit, students practice finding the area of rectilinear figures with worksheets, activities, games, and interactive notebook pages! This aligns with 3.MD.7. This could be used as a 3rd grade area of composite figures unit or a 4th grade area of composite figures unit. There are over 150+ pages included.

Overview:

• How to Break Apart Rectangles into 2 Smaller Rectangles Using Distributive Property
• How to Find Area of Composite Figures with Distributive Property
• Rectilinear Area Worksheets that Progressively Get Harder and Teach as They Go
• Rectilinear Area Games
• Area of Composite Figures Error Analysis
• Rectilinear Area Activities

WHAT'S INCLUDED?

✅RECTILINEAR AREA MINI LESSON

There is an interactive mini-lesson included that students can glue into their notebooks to help them have something to reference after learning how to find the rectilinear area of figures. This interactive notebook entry is "no-nonsense" which means that students simply have to cut and glue. There is no folding to make it easier for you to teach the lesson faster and to keep students on track. This is perfect for students to take area of composite figures notes.

✅10 RECTILINEAR AREA WORKSHEETS

In the ten area of composite figures worksheets included, students slowly learn how to figure out rectilinear area. I added 10 differentiated worksheets to allow you to give students the work that is best for them! The first three worksheets start out finding the area of regular rectangles using the distributive property. This allows students to easily transfer their knowledge to area of composite figures in the other 7 worksheets.

✅ 4 RECTILINEAR AREA ERROR ANALYSIS PAGES

Students look at four different work samples and decide which pages are right and which are wrong based on what is shown. These are perfect for math talk or whole group discussions. The error analysis pages help with evaluating common third grade math mistakes.

✅CREATE YOUR OWN AMUSEMENT PARK ACTIVITY

There is a create-your-own amusement park activity where students have to use their knowledge of rectilinear area to build their own amusement park. There are 3 versions to allow for easy differentiation!

✅ BUILD A DINO PARK GAME

Each player gets a background to build their dino park on. Playing cards and dino pieces go in the middle. Each time you get an answer correct, you earn a piece for your dino park. Chance cards are provided to spice up gameplay. You never know who’s going to win with these included! The first person to finish getting 10 dino items on their park wins!

✅ WHOLE CLASS GAME

I call this game "Bucket Filler!". Set up the task cards all around the room for students. Print enough of each task card for every student. Give each student a recording sheet. Let students wander the room and solve each task card. When they solve a card, they bring it to the teacher to be checked. If it's correct, they get to drop the task card in a bucket. At the end of gameplay, the teacher draws names out of the bucket. Those students earn a small prize as a reward (an eraser, a pencil, etc).

✅AMUSEMENT PARK GAME

There is a rectilinear area game included! In the game, students have to find the area of each rectilinear figure in an amusement park. They then have to find the sign that goes with the correct area. This is one of my class's favorite games we play all year. It's easy to play individually or with a partner! This game is perfect for an area of composite figures cooperative learning activity.

✅21 AREA AND PERIMETER POSTERS

There are 21 area and perimeter posters for you to hang on the wall for students to reference during your area and perimeter unit. These are a great helpful reminder for students when learning about the difference between area and perimeter.

This resource includes everything you need to teach finding the area of composite figures to your students. This product was designed for third graders, but would work great as a 4th grade rectilinear area unit. All games and activities come in black and white and color.

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This aligns with 3rd Grade Common Core Standards 3.MD.5-3.MD.8:

• Recognize area as an attribute of plane figures and understand concepts of area measurement.
• Measure areas by counting unit squares (square cm, square m, square in, square ft, and improvised units).
• Relate area to the operations of multiplication and addition.
• 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 different perimeters.

This aligns with 3rd Grade Texas TEKS:

• TEKS 3.6D: 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 aligns with 4th Grade Texas TEKS:

• TEKS 4.5D: solve problems related to perimeter and area of rectangles where dimensions are whole numbers

This aligns with Florida BEST Standards (B.E.S.T.)

• MA.3.GR.2.4 Solve mathematical and real-world problems involving the perimeter and area of composite figures composed of non-overlapping rectangles with whole number side lengths.

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Teaching Patterns

Multiplication and Division Word Problems

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Area and Perimeter Word Problems

Area and Perimeter Missing Sides

Rectilinear Area

Identifying Fractions

Fractions on Number Lines

Distance Between Fractions on Number Lines

Equivalent Fractions

Comparing Fractions

Fractions as Whole Numbers

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Bar Graphs and Pictographs

Measuring with Rulers

Telling Time

Elapsed Time

Multi-Step Word Problems

Multiply by Tens

3rd Grade Math Unit BUNDLE (Save Big!)

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Total Pages
150+
Included
Teaching Duration
1 Week
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### Standards

to see state-specific standards (only available in the US).
Use tiling to show in a concrete case that the area of a rectangle with whole-number side lengths 𝘢 and 𝘣 + 𝘤 is the sum of 𝘢 × 𝘣 and 𝘢 × 𝘤. Use area models to represent the distributive property in mathematical reasoning.
Recognize 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.