Estimating quantities and units using scientific notation

A centimetre is part of which system of measurement?

• Metric
• Imperial

Which choice best represents the length of a key?

• 2 feet

• 2 miles

• 2 inches

• 2 yards

Which of the storage has the smallest amount of storage capacity?

• 
• 
• 
• 

Which metric unit of measurement is used to measure capacity?

• meters

• liters

• grams

Which unit of measurement would you use to measure the length of your toe?

• Millimeters
• Meters
• Feet
• Yards

The standards in which the physical quantities are expressed are called?

• Measurements

• Units

Which would you use to measure the length of a football field?

• miles
• feet
• yards
• gallons

The base unit for length is the

• second
• gram
• meter
• liter

Which choice best represents the height of a two-story house?

• 6 miles

• 6 yards

• 6 feet

• 6 inches

George told his teacher that he spent over 21,000 seconds working on his homework. What would be the MOST appropriate unit of time for George to use? Convert to those units. There will be more than one correct answer, choose the most appropriate answer.

• Hours; about 5 hours and 50 minutes

• Hours; about 5.83333 hours

• Minutes; 350 minutes

• Minutes; 875 minutes