If your height is 1.52 meters, what is it in centimeters? 
a. 1.52 b. 15.2 c. 152 d. 1520

A book is 56 mm thick. How thick is the book in centimeters?
a. 5.6 cm
b. 56 cm
c. 560 cm
d. 5600 cm

Convert 3 miles to kilometers. ( 1 mile = 1.609 km )
a. 3.728 km
b. 4.827 km
c. 5.278 km
d. 4.872 km

1.5 km = ____ m
a. .015
b. 1500
c. .0015
d. 150

How many minutes are there 4 hours?
a. 240
b. 350
c. 450
d. 300

How many yards are there in 21 feet?
a. 5
b. 6
c. 7
d. 4

A bag of flour weighs 45 kilograms. What is its weight is gram?
a. 0.045
b. 450
c. 4500
d. 45,000

3 feet is equal to how many inches? ( 1 foot = 12 inches)
a. 12
b. 24
c. 36
d. 48

The amount of gravitational force on an object is known as its _____
a. mass
b. volume
c. density
d. weight

The base unit for the length in metric system is
a. centimeter
b. meter
c. kilometer
d. millimeter​