RIT Math 191-200

Acute Angle

• A cute angle

• An angle of less than 90 degrees

• An angle more than 90 degrees

• An angle that is exactly 90 degrees

Obtuse Angle

• An angle greater than 90 degrees

• An angle less than 90 degrees

• An angle exactly 90 degrees

• A triangle with more than 180 degrees of angles

Parallel

• lines in the same plane that intersect twice

• two lines that intersect at 90 degree angles

• lines in the same plane that never intersect

• A triangle that has 2 equal sides.

Protractor

• numbers of inches in a foot

• An arrangement of objects in equal rows.

• the best tractor (green tractor)

• a device used to measure angles

Right Angle

• Angle of 180 degrees

• More than 90 degrees

• Exactly 90 degrees

• Less than 90 degrees

Decimals

• A number that is not whole. Expressed with a .

• A number that is not whole. Expressed with a -

• 12.027- the seven is in this place

• the horizontal number line in a coordinate plane

Dividend

• Another name for dividing

• The answer to the division problem

• The number doing the dividing.

• The number that is being divided

Divisor

• The answer to a multiplication problem

• a number by which another number is to be divided

• The answer to a division problem

• The remainder in a division problem

Dot Plot

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Estimate

• Roughly calculate the value of a number (12 is about 10)

• Randomly Guess

• A way to write numbers that shows the place value of each digit. For example: (1x100) + (5x10) + (9x1.10)

• Ordered pairs that identify points on a coordinate plane. (x,y)