Formulas: Area/Perimeter [TEKS Tools Grade 4]
- Aaron Daffern
- 13 minutes ago
- 1 min read
This post specifically looks at how formulas can be used solve problems involving geometric concepts. Read more about TEKS Tools and their rationale here.
Formulas
Formulas, the fourth TEKS Tool, account for around 10% of each 4th grade STAAR test. These formulas are applied to solve problems and convert units.
The main function of a formula is to understand the relationship between quantities. Starting in fourth grade, applying formulas will be a main stay in mathematics for the remainder of a student's academic journey.
Area/Perimeter
4.5D - solve problems related to perimeter and area of rectangles where dimensions are whole numbers
Students are asked to solve problems involving both area and perimeter
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2023-11: students were given perimeter of a shape, had to solve for the area
2024-9: students were given perimeter of a shape, had to solve for the area
2025-16: students were given perimeter and length of a shape, had to solve for the area
2025-26: students were given area and width of a shape, had to solve for the length and perimeter
Students use to additive property of area to find the area of composite shapes.
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2024-24: students had to solve for the area of a composite shape
Students apply the formula for perimeter of a rectangle.
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2023-32: the length and width were given, students had to solve for the perimeter
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