3.MATH.6.C
Determine the area of rectangles with whole number side lengths in problems using multiplication related to the number of rows times the number of unit squares in each row.
Grade 3 · Texas Essential Knowledge and Skills (TEKS) · TEKS 2012
Standard Unwrapping
AI-generated as a starting point — sign in to edit.Vocabulary
arearectangleswhole number side lengthsproblemsmultiplicationrowsunit squares
Skills
- determine (area of rectangles with whole number side lengths) #dok2
- apply (multiplication to find area) #dok2
- represent (area as number of rows times the number of unit squares) #dok1
- solve (real-world and mathematical problems involving area) #dok2
Learning Targets
- I can represent the area of a rectangle as the number of rows times the number of unit squares in each row. #dok1
- I can use multiplication to find the area of rectangles with whole number side lengths. #dok2
- I can determine the area of rectangles by counting the number of unit squares arranged in rows and columns. #dok2
- I can solve word problems involving the area of rectangles using multiplication. #dok2
Big Ideas
- Area can be found by multiplying the rectangle's length by its width using whole numbers.
- Unit squares and arrays help visualize and solve for the area of rectangles.
Essential Questions
- What does the area of a rectangle represent?
- How can you use multiplication to find the area of a rectangle?
- Why is it helpful to think about area in rows and columns of unit squares?
- How would you solve a real-world problem that asks for the area of a rectangle?
- In what ways can showing your work with models help explain how you found the area?