Unit 2: Explore Multiplicative Comparison, Area and Perimeter, Factors, and Multiples

Lesson 1: Multiplicative Versus Additive Comparisons

NC.4.OA.1

NC.4.OA.3

Fourth Grade Unpacking Document

• I can distinguish between additive and multiplicative comparisons.

• I can solve additive and multiplicative problems using visuals and equations.

• Technology Links:

• Thinking Blocks Addition Comparison Problems

• Thinking Blocks Multiplication Comparison Problems

Lesson 2: Multiplicative Recipes

NC.4.OA.1

NC.4.OA.3

Fourth Grade Unpacking Document

• I can solve multiplicative comparison problems using visual models and write an equation to represent each scenario.

• • None

Lesson 3: Multiplicative Comparisons

NC.4.OA.1

NC.4.OA.3

Fourth Grade Unpacking Document

• I can solve multiplicative comparison problems using visual models and write an equation to represent each scenario.

• Technology Links:

• Thinking Blocks Multiplication Comparison Problems

• Virtual Manipulatives:

  • Online Calculator

Lesson 4: If You Hopped Like a Frog

NC.4.OA.1

Fourth Grade Unpacking Document

• I can identify and solve multiplicative comparison problems based on a text.

• I can identify and solve multiplicative comparison problems based on my own measurement data.

• Video Links:

  • "If You Hopped Like a Frog" by David M. Schwartz

• Virtual Manipulatives:

• Online Calculator

Lesson 5: Making Rectangles

NC.4.OA.4

Fourth Grade Unpacking Document

• I can discover factors and multiples using rectangles.

• I can find all the rectangles for a given number using grid paper and square inch tiles.

• Technology Links:

• Making Rectangles Template

• Virtual Manipulatives: 

  • Didax-Color Square Tiles

  • Number Frames

Lesson 6: Prime vs. Composite

NC.4.OA.4

Fourth Grade Unpacking Document

• I can discover the difference between prime and composite numbers.

• I can identify numbers up to 50 that are prime or composite using grid paper, square tiles, and multiplication equations.

• Video Links:

  • Math is Fun: Prime & Composite Numbers

• Technology Links:

• Sheppard Software-Fruit Splat Game

• Virtual Manipulatives: 

  • Didax-Color Square Tiles

  • Interactive Number Chart 

  • NCDPI Additional Resources

Lesson 7: NC State Fair Line of Fortune

NC.4.OA.4

Fourth Grade Unpacking Document

• I can apply my knowledge of factors, multiples, prime and composite numbers to solve application problems.

• Virtual Manipulatives: 

• Didax-Color Square Tiles

• NCDPI Additional Resources

Lesson 8: Patterns With Multiples

NC.4.OA.4

Fourth Grade Unpacking Document

• I can identify patterns with multiples and reflect on the implications of these patterns as they relate to factors.

• I can relate the patterns I see to the multiplication facts table.

• Technology Links:

• Calculation Nation: Times Square Game

• NCDPI Additional Resources

Lesson 9: Area & Perimeter

NC.4.OA.4

NC.4.MD.3

Fourth Grade Unpacking Document

• I can solve problems involving area and perimeter of rectangles by applying my knowledge of factors and multiples.

• Technology Links:

  • Math Playground: Party Designer Game

  • NCDPI Additional Resources

• Virtual Manipulatives: 

• Didax-Color Square Tiles, 

• Didax-Number Dice

Lesson 10: Multiplicative Area & Perimeter (Day 1 of 2)

NC.4.OA.1

NC.4.MD.3

Fourth Grade Unpacking Document

• I can determine the area of rectangular figures.

• I can apply my knowledge of multiplicative comparisons to find the area of figures.

• Technology Links:

  • Thinking Blocks Area & Perimeter

• Virtual Manipulatives:

• Didax-Color Square Tiles

• Online Calculator

• NCDPI Additional Resources

Lesson 11: Multiplicative Area & Perimeter (Day 2 of 2)

NC.4.OA.1

NC.4.MD.3

Fourth Grade Unpacking Document

• I can determine the area of rectangular figures.

• I can apply my knowledge of multiplicative comparisons to find the area of figures.

• I can find patterns involving area and perimeter.

• Virtual Manipulatives: 

  • Didax-Online Dice

  • NCDPI Additional Resources

Lesson 12: Putting It All Together

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NC.4.OA.3

NC.4.MD.3

Fourth Grade Unpacking Document

• I can determine the area of rectangular figures.

• I can apply my knowledge of multiplicative comparisons to find the area of figures.

• I can design a zoo given certain requirements.

• Technology Links:

  • Mr.Nussbaum: Zoo Designer Game

  • Brick Builder

• Virtual Manipulatives:

• Didax Color Square Tiles

• Online Calculator

• NCDPI Additional Resources

Lesson 13: House Architects (Day 1 of 2)

NC.4.OA.1

NC.4.OA.3

NC.4.MD.3

Fourth Grade Unpacking Document

• I can design a house given certain parameters by applying my knowledge of factors, multiples, multiplicative comparisons, area, and perimeter.

• Virtual Manipulatives: 

  • Didax Color Square Tiles

  • NCDPI Additional Resources

Lesson 14: House Architects (Day 2 of 2)

NC.4.OA.1

NC.4.OA.3

NC.4.MD.3

Fourth Grade Unpacking Document

• I can design a house give certain parameters by applying my knowledge of factors, multiples, multiplicative comparisons, area, and perimeter.

• Virtual Manipulative: 

  • Didax Color Square Tiles

  • NCDPI Additional Resources