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Math · Grade 3 Math · Unit 2

Unit 2: Area and Multiplication

Students learn about area concepts and relate area to multiplication and to addition.

Worksheets

Every sheet has an answer key. Free to print, no login.

Unit
📝 Worksheet ✅ Answer guide
Concept
Set 1
📝 Worksheet ✅ Answer key
Set 2
📝 Worksheet ✅ Answer key
Practice
Set 1
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Set 2
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Set 3
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Set 4
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Advanced
Set 1
📝 Worksheet ✅ Answer key
Set 2
📝 Worksheet ✅ Answer key
Set 3
📝 Worksheet ✅ Answer key
Set 4
📝 Worksheet ✅ Answer key

What this unit covers

A Concepts of Area Measurement · 4 lessons
Goals
  • Describe “area” as the number of unit squares that cover a plane figure, without gaps and overlaps.
  • Measure the area of a rectangle by counting unit squares.
Lessons
  1. What Is Area?
  2. How Do We Measure Area?
  3. Tile Rectangles
  4. Area of a Rectangle
B Relate Area to Multiplication · 7 lessons
Goals
  • Explain why the area of a rectangle can be determined by multiplying the side lengths.
  • Solve problems involving the area of a rectangle.
Lessons
  1. Represent Products as Areas
  2. Different Square Units (Part 1)
  3. Different Square Units (Part 2)
  4. Area of a Rectangle without a Grid
  5. Measure to Find the Area
  6. Solve Area Problems
  7. Area and the Multiplication Table
C Find the Area of a Figure Composed of Rectangles · 4 lessons
Goals
  • Find the areas of figures composed of rectangles.
Lessons
  1. Area and Addition
  2. Find the Area of a Figure
  3. Find the Area of a Figure with Unknown Side Lengths
  4. New Room (Optional)

Helpful to know first

The curriculum says this unit builds on these.

Grade 3 Math · Unit 1 Introducing Multiplication
Open unit →
Grade 2 Math · Unit 8 Equal Groups
Open unit →
Grade 2 Math · Unit 6 Geometry, Time, and Money
Open unit →
Grade 2 Math · Unit 3 Measuring Length
Open unit →
← Unit 1 See the whole map Unit 3 →

Adapted from the Illustrative Mathematics curriculum (v.360), licensed CC BY-NC 4.0. © Illustrative Mathematics.