62 terms

parallelogram

has 2 sets of parallel lines

trapezoid

has 1 set of parallel lines

acute

an angle that is less than 90 degrees

obtuse

an angle that is greater than 90 degrees

right

an angle that is 90 degrees

perimeter

the distance around an object

area

the measure in units inside of a figure

centimeter

a metric unit that equals 10 millimeters

customary system

the measurement system used in the United States

Metric system

the measurement system used all over the world

Data set

a collection of information gathered for a dot plot or stem and leaf plot

0.2

is equal to 2/10

0.02

is equal to 2/100

4.32

is equal to 4 + 0.3 + 0.02

43.42

is equal to 40 + 3 + 0.4 + 0.02

29.45

twenty- nine and forty- five hundredths

29.5

twenty-nine and five tenths

hundredths

the place value of the circled number

tenths

the place value of the circled number

obtuse triangle

acute triangle

right triangle

gallon

is equal to four quarts

quart

is equal to 2 pints

pint

is equal to 2 cups

kilometer

is equal to 1,000 meters

liter

is equal to 1,000 milliliters

mixed number

a number that has a whole number and a fraction

numerator

the number written above the line in a fraction

denominator

when you add fractions, this number stays the same

pound

is equal to 16 ounces

ounce

the small unit of customary weight

parallel lines

perpendicular lines

intersecting lines

product

the answer to a multiplication problem

protractor

a tool used to measure angles

quotient

the answer to a division problem

difference

the answer to a subtraction problem

sum

the answer to an addition problem

ray

lines

line segment

remainder

the amount left over when one number is divided by another

round

what you should do when you see the words estimate, about, or approximately

second

the smallest unit of time

elapsed time

the amount of time that has passed

unit fraction

a fraction that has 1 as its numerator

yard

is equal to 3 feet

foot

is equal to 12 inches

quadrilateral

has 4 sides

rectangle

has 2 sets of parallel lines and 4 right angles

multiply

this operation is used to convert a large unit to a small unit

divide

this operation is used to convert a small unit to a large unit

mile

is equal to 1,760 yards

300 X 300

90,000

profit

Earnings minus expenses equals ___________

hour

equals to 60 minutes

minute

equal to 60 seconds

line of symmetry

a line that divides a figure right down the middle to form a mirror image

fixed expense

a cost that is the same each month, like a car payment

variable expense

a cost that may change from month to month, like money used to eat at a restaurant