8.MATH.2.B
Approximate the value of an irrational number, including π and square roots of numbers less than 225, and locate that rational number approximation on a number line.
Grade 8 · Texas Essential Knowledge and Skills (TEKS) · TEKS 2012
Standard Unwrapping
AI-generated as a starting point — sign in to edit.Vocabulary
irrational numberπsquare rootsnumbers less than 225rational numberapproximationnumber line
Skills
- approximate (the value of an irrational number, including π and square roots of numbers less than 225) #dok2
- locate (the rational approximation of an irrational number on a number line) #dok2
Learning Targets
- I can approximate the value of an irrational number, including π and square roots of numbers less than 225. #dok2
- I can locate a rational approximation of an irrational number on a number line. #dok2
Big Ideas
- Some numbers cannot be expressed exactly as fractions (irrational numbers), but they can be approximated with rational numbers.
- Visualizing where irrational numbers are on the number line helps build understanding of their relationship to rational numbers.
Essential Questions
- What is an irrational number and how does it differ from a rational number?
- How can you estimate the value of an irrational number like π or √50?
- Why is it useful to approximate irrational numbers with rational numbers in real-world situations?
- How can you show the position of an irrational number on a number line?