Factor Label / Dimensional Analysis

If you are converting 4 pounds to ounces, which of the following conversion factors would you use?

• 1 kg = 2.2 lbs

• 1 lb = 16 oz.

• 1 gram = 0.038 oz.

• 1 oz. = 30 mL

If you are converting 16 quarts to gallons , which of the following conversion factors would you use?

• 1 quart = 2 pints

• 1 gallon = 3.8 Liters

• 1 gallon = 4 quarts

• 1 cup = 8 fluid oz

If you are converting 44 yards to meters, which of the following conversion factors would you use?

• 1 yard = 3 ft

• 1 cm = 0.39 in

• 1 mile = 1.61 km

• 1 m = 1.09 yards

If you are converting 200 yards to inches, which two of the following conversion factors would you use?

• 12 inches = 1 ft

• 1 ft = 30 cm

• 3 ft = 1 yard

• 5,280 ft = 1 mile

What unit should be in the denominator of the conversion factor?

• yards
• leagues
• feet
• fathoms

What unit should be in the numerator of the conversion factor?

• yards
• leagues
• feet
• fathoms

How many miles will a person run during a 10.0 kilometer race?

• 6.2 miles

• 6.21 miles

• 1.61 miles

• 1.6 miles

The moon is 250,000 miles from earth. How many feet is that?

• 47, 348 ft.

• 47 ft.

• 1.32 X 10⁹ ft.

• 1.3 X 10⁹ ft.

What is the first step when solving dimensional analysis problems?

• Write your plan

• Identify your "unknown"

• Identify your "known"

• Cross out units that are opposite each other

What is the second step when solving dimensional analysis problems?

• Identify your final answer unit

• Calculate

• Identify your ""unknown"

• Cross out units that are opposite each other