Addition and Subtraction of Rational Numbers: Part 1
Math: Middle Grades Math: The Number System
6-8
45 Minutes
TI-Nspire™ CX series
TI-Nspire™ CX CAS/CX II CAS
TI-Nspire™ Apps for iPad®
3.2
Lessons
TNS
Addition and Subtraction of Rational Numbers: Part 1
Activity Overview
This lesson involves using pattern blocks to model addition and subtraction of positive mixed numbers for randomly generated numeric expressions.
Objectives
- Students will use interactive models and pattern blocks to model positive mixed numbers and the sums and differences of positive mixed numbers.
- Students will understand subtraction of mixed numbers as adding the additive inverse.
Vocabulary
- rational number
- equivalent fractions
- mixed numbers
About the Lesson
This lesson involves using pattern blocks to model addition and subtraction of positive mixed numbers for randomly generated numeric expressions.
As a result, students will:
- Use pattern blocks to model addition and subtraction of positive mixed numbers.
- Calculate sums and differences, and use the TI-Nspire to check the accuracy of their calculations.
Download Files
Math: Middle Grades Math: The Number System
6-8
45 Minutes
TI-Nspire™ CX series
TI-Nspire™ CX CAS/CX II CAS
TI-Nspire™ Apps for iPad®
3.2
Lessons
TNS
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Vernier EasyData,Vernier EasyLink and Vernier EasyTemp are registered trademarks of Vernier Science Education.