Sums and Products

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

By Amplify Classroom

Grades: 9th - 12th Grade

Subject: Math

Learning goals: Today’s Goals • Explain why the sum or product of two rational numbers is rational. (Writing, Speaking, and Listening) • Explain that the sum of a rational number and an irrational number is irrational. (Writing, Speaking, and Listening) • Explain that the product of a non-zero rational number and an irrational number is irrational. (Writing, Speaking, and Listening) Additional Materials scientific calculators