1. point - a location in a plane. It is usually shown by a dot.
2. line - a straight path that goes on forever in opposite directions.
3. line segment - part of a line that has two endpoints.
4. endpoint - the point at either end of a line segment or the beginning of a ray.
5. angle - a figure formed by two rays with the same endpoint.
6. ray - part of a line that has one endpoint and extends without end in one direction.
7. vertex - a point that is shared by two sides of an angle of two sides of a polygon.
8. right angle - one of four angles made by perpendicular lines, has an exact measurement of 90 degrees.
9. acute angle - an angle with less than 90 degrees.
10. obtuse angle - an angle greater than 90 degrees and less than a straight angle.
11. straight angle - an angle with an exact measurement of 180 degrees, looks like a line, but is actually two rays going in opposite directions.
12. degree - a unit for measuring angles.
13. protractor - a semicircular tool for measuring and constructing angles.
1. Metric system - system used in most of the world, based on 10s.
2. Customary/Standard system - system of measurement in the United States.
3. meter (m) - a metric unit used to measure length.
1 meter = 100 centimeters
4. inch (in.) - a customary unit used to measure length.
12 inches = 1 foot
5. foot (ft) - a customary unit used to measure length.
1 foot = 12 inches; 3 feet = 1 yard
6. cup (c) - a customary unit of measure used to measure liquid volume (capacity).
2 cups = 1 pint; 4 cups = 1 quart; 16 cups = 1 gallon
7. fluid ounce (fl oz) - a unit of liquid volume in the customary system that equals 1/8 cup or 2 tablespoons.
8. pint (pt) - a customary unit used to measure liquid volume (capacity).
1 pint = 2 cups
9. quart (qt) - a customary unit used to measure liquid volume (capacity).
1 quart = 4 cups = 2 pints
10. gallon (gal) - a customary unit used to measure liquid volume (capacity).
1 gallon = 4 quarts = 8 pints = 16 cups
11. liter (L) - a metric unit used to measure liquid volume (capacity).
1 liter = 1,000 milliliters
12. milliliter (mL) - a metric unit used to measure liquid volume (capacity).
1,000 milliiliters = 1 liter
13. liquid volume - a measure of how much a container can hold. Also called 'capacity'.
14. weight - the measure of how heavy something is.
15. pound (lb) - a customary unit used to measure weight.
1 pound = 16 ounces
16. ounce (oz) - a customary unit used to measure weight.
16 ounces = 1 pound
17. mass - the amount of matter in an object (mass is constant; weight varies because weight is the effect of gravity on matter).
18. gram (g) - a metric unit of mass. One paperclip has a mass of about 1 gram.
1,000 grams = 1 kilogram
19. kilogram (kg) - a metric unit of mass.
1 kilogram = 1,000 grams
A person who travels to new lands to learn about or claim the land.
A small religious community where priests and others lived.
To trade or exchange goods or services without the use of money.
A collection of items stored or hidden, or a hiding place for such items.
A business where animal fur is traded for other things or for money.
A large gathering of fur traders where furs and supplies were bought, sold, and traded.
A store or small settlement established for trading
Fur trappers and traders
1. map - a drawing or picture showing selected features of an area. "I found a map of where the 5 tribes of Utah spent most of their time on page 10."
2. chart - gives information in the form of a table, list, diagram, or graph. "The chart on that page shows how much of each crop the Navajo planted each year."
3. timeline - a list of events put in order of occurrence. "If you want to know when things happened, just look at the timeline. It will even tell you what happened first."
4. diagram - a labeled illustration that helps explain the text. "At first the boy didn't understand what he'd read, then he read the diagram and it helped him comprehend better."
5. key words - important and emphasized words and phrases. "Usually when a word is really important the author will bold it so you notice it."
6. bullet points - lists of important information found in the text. "Some of the tribes used so many parts of the buffalo the author put that information in bullet points so it was easier to read."
1. accurate - correct. "The weather man uses tools to make accurate predictions."