Sums and Products

Students make arguments about why the sums and products of rational and irrational numbers are always, sometimes, or never rational.

By Desmos Classroom

Learning goals: Learning Goals • Explain why the sum or product of two rational numbers is rational. • Explain that the sum of a rational number and an irrational number is irrational. • Explain that the product of a nonzero rational number and an irrational number is irrational.