7.MATH.8.C
Use models to determine the approximate formulas for the circumference and area of a circle and connect the models to the actual formulas.
Grade 7 · Texas Essential Knowledge and Skills (TEKS) · TEKS 2012
Standard Unwrapping
AI-generated as a starting point — sign in to edit.Vocabulary
modelsapproximate formulascircumferenceareacircleactual formulas
Skills
- use models (to determine approximate formulas for circumference and area of a circle) #dok2
- connect (models to actual formulas for circumference and area) #dok3
- determine (approximate formulas for circumference and area using models) #dok2
- explain (connections between models and actual formulas for circles) #dok3
Learning Targets
- I can use models to find approximate formulas for the circumference of a circle. #dok2
- I can use models to find approximate formulas for the area of a circle. #dok2
- I can determine approximate formulas for the circumference and area of a circle using hands-on models. #dok2
- I can connect the models I use to the actual formulas for circumference and area of a circle. #dok3
- I can explain how the models relate to the actual formulas for finding a circle’s circumference and area. #dok3
Big Ideas
- Geometric models help us understand and discover the relationships that lead to formulas for circumference and area of circles.
- Connecting concrete models to abstract formulas deepens understanding of key mathematical concepts.
Essential Questions
- How can physical models help us develop formulas for the circumference and area of a circle?
- What patterns or relationships do you observe when you use models to approximate a circle’s circumference and area?
- In what ways do models and actual formulas for circles connect and differ?
- Why is it important to use both models and formulas when solving problems involving circles?
- How does understanding the derivation of a formula impact your ability to use and explain it?