1.2.3 Pltw

A classic example of abstraction is a . When you use a calculator, you don't need to know how the calculations are performed internally. You simply interact with the calculator's interface (e.g., pressing buttons), and it provides the results.

Lesson 1.2.3 often presents students with a design challenge. For example, students may be tasked with designing a circuit that lights specific LEDs under certain voltage conditions or calculating the correct resistor needed to prevent an LED from burning out. 1.2.3 pltw