Term | Definition |
Benchmark | A known size or amount that can be used as a reference to help understand a different size or amount. A benchmark can be used to estimate measurement. |
centimeter | A metric unit of length equal to 0.01 of a meter. |
customary system | A system of measurement used in the U.S. The system includes units for measuring length, capacity, and weight. |
Equivalent | Having the same value. |
gram | The standard unit of mass in the metric system. 1,000 grams = 1 kilogram |
kilogram | A metric unit of mass equal to 1000 grams. |
kilometer | A metric unit of length equal to 1000 meters. |
liter | The basic unit of capacity in the metric system. 1 liter = 1,000 milliliters |
meter | A standard unit of length in the metric system. |
metric system | A system of measurement based on tens. The basic unit of capacity is the liter. The basic unit of length is the meter. The basic unit of mass is the gram. |
millimeter | A metric unit of capacity. 1,000 milliliters = 1 liter |
minute | A unit used to measure a short amount of time; there are 60 minutes in one hour. |
ounce | A customary unit of weight equal to one sixteenth of a pound. 16 ounces = 1 pound |
pound | A customary unit of weight. 1 pound = 16 ounces |
second | A unit used to measure a very short amount of time; there are 60 seconds in one minute. |
two-column table | A table or chart with two columns |
Unit | A quantity used as a standard of measurement or time. |
Inch | about the distance of the last joint of your finger |
Foot | 12 inches. The length of a rules |
Yard | same as 3 feet. A yard stick |
Mile | same as 5,280 feet. Most roads are measured in miles. |