Underwater Math Quiz

Which of the following is a customary unit of length?

• Centimeter

• Inch

• Meter

• Kilometer

Which unit is not part of the metric system?

• Kilometer

• Yard

• Centimeter

• Millimeter

What is the difference in length between two wands if one measures 6 inches and the other 3 inches?

• 5 inches

• 3 inches

• 2 inches

• 4 inches

If a trail measures 5 cm and another trail of the same length is added, what is the combined length?

• 5 cm

• 10 cm

• 15 cm

• 20 cm

What is the total length of the trails if Trail 1 is 5 cm, Trail 2 is 5 cm, and Trail 3 is 8 cm?

• 18 cm

• 17 cm

• 16 cm

• 15 cm