Mastering Metric to Customary Conversions Through Proportions

Mr. Peterson's video tutorial covers converting between metric and customary systems using proportions. It includes examples of converting inches to centimeters, grams to ounces, gallons to liters, and milliliters to fluid ounces. The video emphasizes the importance of labeling and ordering proportions correctly and provides instructions for classwork, discouraging reliance on digital assistants for conversions.

What is the primary system of measurement used in the United States?

• International system

• Metric system

• Customary system

• Imperial system

How many centimeters are approximately equal to one inch?

• 1.54 cm

• 4.54 cm

• 3.54 cm

• 2.54 cm

If you have 4 inches, how many centimeters would that be approximately?

• 11.16 cm

• 10.16 cm

• 9.16 cm

• 8.16 cm

What is the conversion factor from grams to ounces?

• 0.045 ounces

• 0.035 ounces

• 0.055 ounces

• 0.025 ounces

How many ounces are there in 10 grams?

• 0.25 ounces

• 0.55 ounces

• 0.35 ounces

• 0.45 ounces

What is the approximate conversion factor from gallons to liters?

• 3.785 liters

• 2.785 liters

• 5.785 liters

• 4.785 liters

How many liters are there in 6 gallons?

• 20.71 liters

• 23.71 liters

• 21.71 liters

• 22.71 liters

What is the conversion factor from milliliters to fluid ounces?

• 0.054 fluid ounces

• 0.044 fluid ounces

• 0.034 fluid ounces

• 0.024 fluid ounces

How many fluid ounces are approximately equal to 1500 milliliters?

• 71 fluid ounces

• 61 fluid ounces

• 51 fluid ounces

• 41 fluid ounces

Why is it important to set up proportions correctly when converting units?

• To ensure accuracy in calculations

• To make the process faster

• To impress the teacher

• To avoid using a calculator