Alternatives to internal combustion engines have been tried over the years, but none have outlasted or replaced the gasoline-or diesel-powered internal combustion engine. Presently, several automotive companies are doing research to create electricity without combustion, but the technology is still a few years away. Electric vehicles have been around for nearly a century, but have never been popular replacements. Resource provided by the U.S. Department of Energy. CCSS alignment: 6.RP.3, 7.RP.3
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Hybrid Vehicles: Cut Pollution & Save Money
Subject
Math — Ratios and Proportional Relationships
Grade Level
Grades 6-8
Resource Type
Activity
Standards Alignment
Common Core State Standards
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Use ratio and rate reasoning to solve real-world and mathematical problems, e.g., by reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations.
Use proportional relationships to solve multistep ratio and percent problems.
