Education Technology

In Round Numbers

Subject Area
Math: Elementary Math: Number Sense and Estimation
Math: Elementary Math: Number Operations
Math: Elementary Math: Problem Solving
Level
K-5
Activity Time
60 Minutes
TI Calculator
TI-15 Explorer™/TI-10
Other Materials
This activity originally appeared in the EXPLORATIONS Book:
Developing Problem-Solving Skills with the TI-15

Resource Types
Lessons

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.

Objectives

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.




Subject Area
Math: Elementary Math: Number Sense and Estimation
Math: Elementary Math: Number Operations
Math: Elementary Math: Problem Solving
Level
K-5
Activity Time
60 Minutes
TI Calculator
TI-15 Explorer™/TI-10
Other Materials
This activity originally appeared in the EXPLORATIONS Book:
Developing Problem-Solving Skills with the TI-15

Resource Types
Lessons
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