Education Technology

In Round Numbers

Activity Overview

Students will develop and test rules for rounding whole numbers and decimal fractions. They will use the information to solve real-world problems.


Students will explore the following concepts in this activity:

  • rounding
  • place value
  • problem solving

About the Lesson

For this activity, all students should complete the First Things First activity page to develop an understanding of how numbers are rounded. Students will then continue with  Rounding Numbers activity page. Using the TI-15 calculator, students will explore what rounded numbers look like by entering numbers, and rounding.