Solving Measurement Conversions with Proportions
Grade 7th Grade · Math · 45 min
What's Included
Learning Objective
I can use proportions and conversions factors to convert measurements between different units.
Warm-Up Video
Level Up RN · 9:45
Units of Measure: Converting Between Metric & Household - Dosage Calculation | @LevelUpRN
Guided Notes
3 key concepts
- 1
To convert 132 pounds into kilograms, you can use the conversion factor that 1 kilogram equals 2.2 pounds. Using dimensional analysis, set up the equation so that pounds cancels out, leaving you with kilograms. The answer is 60 kilograms.
- 2
To convert 7 fluid ounces into milliliters, you can use the conversion factor that 1 fluid ounce equals 30 milliliters. Using ratio and proportion, set up your known ratio on one side, and then set up your unknown ratio with X representing the unknown value. The answer is 210 milliliters.
- 3
To convert 40 milliliters to teaspoons, you can use the conversion factor that 5 milliliters equals 1 teaspoon. Using either dimensional analysis or ratio and proportion, set up the equation so that you are solving for teaspoons. The answer is 8 teaspoons.
Practice Questions
8 questions · Multiple choice & Short answer
Exit Ticket
Quick comprehension check
“Convert 55 pounds to kilograms. (1 kilogram = 2.2 pounds). Show your work.”
Complete Lesson Package
Get all 3 ready-to-use resources:
