In Round Numbers
Math: Elementary Math: Number Sense and Estimation
Math: Elementary Math: Number Operations
Math: Elementary Math: Problem Solving
K-5
60 Minutes
TI-15 Explorer™/TI-10
This activity originally appeared in the EXPLORATIONS Book:
Developing Problem-Solving Skills with the TI-15
Developing Problem-Solving Skills with the TI-15
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.
Download Files
Lesson Files
Math: Elementary Math: Number Sense and Estimation
Math: Elementary Math: Number Operations
Math: Elementary Math: Problem Solving
K-5
60 Minutes
TI-15 Explorer™/TI-10
This activity originally appeared in the EXPLORATIONS Book:
Developing Problem-Solving Skills with the TI-15
Developing Problem-Solving Skills with the TI-15
Lessons
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Vernier EasyData,Vernier EasyLink and Vernier EasyTemp are registered trademarks of Vernier Science Education.