Unit 2 - Lesson 7 - Grade 3: Illustrative Mathematics
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Grade 3 Unit 2
Lesson 7: Different Square Units (Part 2)
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 2
Lesson 7: Different Square Units (Part 2)
CC BY 2021 Illustrative Mathematics®
Lesson: Different Square Units (Part 2)
What do you notice?
What do you notice?
What do you wonder?
What do you wonder?
This is a square meter.
What kinds of areas would make sense to measure with square meters?
This is a square meter.
What kinds of areas would make sense to measure with square meters?
Explain your reasoning.
Explain your reasoning.
This is a square foot.
What kinds of areas would make sense to measure with square feet?
This is a square foot.
What kinds of areas would make sense to measure with square feet?
Explain your reasoning.
Explain your reasoning.
For each area tell if you would use square centimeters, square inches, square feet, or square meters to measure it and why you chose that unit.
The area of a baseball field.
__________
Explain why you chose that unit.
Explain why you chose that unit.
The area of a cover of a book you’re reading.
__________
Explain why you chose that unit.
Explain why you chose that unit.
The area of our classroom.
__________
Explain why you chose that unit.
Explain why you chose that unit.
The area of a piece of paper.__________
Explain why you chose that unit.
Explain why you chose that unit.
The area of the top of a table.__________
Explain why you chose that unit.
Explain why you chose that unit.
The area of the screen on a phone.__________
Explain why you chose that unit.
Explain why you chose that unit.
Choose the area that best matches each item. Be ready to explain your reasoning.
A playing card.
__________
Explain why you chose that unit.
Explain why you chose that unit.
The floor of a classroom.
__________
Explain why you chose that unit.
Explain why you chose that unit.
A sticky note.
__________
Explain why you chose that unit.
Explain why you chose that unit.
The top of a student desk.
__________
Explain why you chose that unit.
Explain why you chose that unit.
Find some object or space that you would measure with square inches, square centimeters, square feet, and square yards.
Find some object or space that you would measure with square inches, square centimeters, square feet, and square yards.
Cool Down: Square Feet?
Select all the areas that you would measure with square feet.
Select all the areas that you would measure with square feet.