Section 1
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additive comparison
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Cards (231)
Section 1
(50 cards)
additive comparison
Problems that ask how much more (or less) one amount is than another.
evaluate
To find the value of a mathematical expression.
cup (c)
A customary unit of capacity. 1 cup = 8 fluid ounces.
Commutative Property of Multiplication
Changing the order of the factors does not change the product.
divisor
The number by which another number is divided.
angle measure
The measure of the size of an angle. It tells how far one side is turned from the other side. A one degree angle turns through 1/360 of a full circle.
equal
Having the same value.
data
A collection of information gathered for a purpose. Data may be in the form of either words or numbers.
denominator
The quantity below the line in a fraction. It tells how many equal parts are in the whole.
common denominator
For two or more fractions, a common denominator is a common multiple of the denominators.
decompose
To separate into components or basic elements.
area model
A model of multiplication that shows each place value product.
composite number
A number greater than 0 that has more than two different factors.
area
The measure, in square units, of the inside of a plane figure.
Associative Property of Multiplication
Changing the grouping of three or more factors does not change the product.
compose
To put together components or basic elements.
array
An arrangement of objects in equal rows.
congruent
Having exactly the same size and shape.
equivalent fractions
Fractions that have the same value.
expanded form
A way to write numbers that shows the place value of each digit.
endpoint
A point at either end of a line segment, or a point at one end of a ray.
divide
To separate into equal groups and find the number in each group or the number of groups.
equation
A mathematical sentence with an equals sign. The amount on one side of the equals sign has the same value as the amount on the other side.
capacity
Capacity refers to the amount of liquid a container can hold.
acute angle
An angle with a measure less than 90°.
arc
Part of a circle between any two of its points.
classify
To sort into categories or to arrange into groups by attributes.
comparison bars
Used to represent larger and smaller amounts in a comparison situation. Can be used to represent all four operations. Different lengths of bars are drawn to represent each number.
dividend
A number that is divided by another number.
circle
A plane figure with all points the same distance from a fixed point called a center.
add
To combine, put together two or more quantities.
degree (angle measure)
A unit for measuring angles. Based on dividing one complete circle into 360 equal parts.
decimal
A number with one or more digits to the right of a decimal point.
digit
Any of the symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.
Associative Property of Addition
Changing the grouping of three or more addends does not change the sum.
attribute
A characteristic of an object, such as color, shape, size, etc.
customary system
A system of measurement used in the U.S. The system includes units for measuring length, capacity, and weight.
compare
To decide if one number is greater than, less than, or equal to.
decimal notation
A number containing a decimal point.
Distributive Property
When one of the factors of a product is a sum, multiplying each addend before adding does not change the product.
angle
Two rays that share an endpoint.
benchmark fraction
Fractions that are commonly used for estimation.
decimal fraction
A fractional number with a denominator of 10 or a power of 10. Usually written with a decimal point.
addend
Any number being added.
Commutative Property of Addition
Changing the order of the addends does not change the sum.
centimeter (cm)
A metric unit of length equal to 0.01 of a meter.
difference
The amount that remains after one quantity is subtracted from another.
decimal point
A dot (.) separating the whole number from the fraction in decimal notation.
algorithm
A step-by-step method for computing.
estimate
To find a number close to an exact amount; an estimate tells about how much or about how many.
Section 2
(50 cards)
multiple
A product of a given whole number and any other whole number.
mass
The amount of matter in an object. Usually measured by comparing with an object of known mass. While gravity influences weight, it does not affect mass.
fact family
A group of related facts that use the same numbers. Also called related facts.
lowest terms
When a fraction is expressed with the fewest possible pieces, it is in lowest terms. (Also called simplest form.)
greater than
Greater than is used to compare two numbers when the first number is larger than the second number.
line symmetric figures
Figures that can be folded in half and its two parts match exactly.
parallel lines
Lines that are always the same distance apart. They do not intersect.
parentheses ( )
Used in mathematics as grouping symbols for operations. When simplifying an expression, the operations within the parentheses are performed first.
obtuse angle
An angle with a measure greater than 90º but less than 180º.
line
A set of connected points continuing without end in both directions.
expression
A mathematical phrase without an equal sign.
Order of Operations
A set of rules that tells the order in which to compute.
kilometer (km)
A metric unit of length equal to 1000 meters.
line of symmetry
A line that divides a figure into two congruent halves that are mirror images of each other.
line plot
A diagram showing frequency of data on a number line.
less than
Less than is used to compare two numbers when the first number is smaller than the second number.
mixed number
A number that has a whole number (not 0) and a fraction.
liter (L)
The basic unit of capacity in the metric system. 1 liter = 1,000 milliliters.
hundredths
In the decimal numeration system, hundredths is the name of the next place to the right of tenths.
factor
The whole numbers that are multiplied to get a product.
formula
A rule that is written as an equation.
mile
A customary unit of length. 1 mile = 5,280 feet
inverse operations
Operations that undo each other.
numerator
The number written above the line in a fraction. It tells how many equal parts are described in the fraction.
length
How long something is. The distance from one point to another. Length is measured in units such as inches, feet, centimeters, etc.
improper fraction
A term for a fraction whose numerator is greater than or equal to its denominator.
factor pairs
A set of two whole numbers when multiplied, will result in a given product.
function table
A table that lists pairs of numbers that follow a rule.
milliliter (mL)
A metric unit of capacity. 1,000 milliliters = 1 liter.
multiply
The operation of repeated addition of the same number.
foot (ft)
A customary unit of length. 1 foot = 12 inches.
gram (g)
The standard unit of mass in the metric system. 1,000 grams = 1 kilogram
inch (in)
A customary unit of length. 12 inches = 1 foot.
multiplicative comparison
Compare by asking or telling how many times more one amount is as another. e.g. 4 times greater than.
number line
A diagram that represents numbers as points on a line.
Identity Property of Addition
If you add zero to a number, the sum is the same as that number.
kilogram (kg)
A metric unit of mass equal to 1000 grams.
hundredth
One of the equal parts when a whole is divided into 100 equal parts.
like denominators
Denominators in two or more fractions that are the same.
gallon (gal)
A customary unit of capacity. 1 gallon = 4 quarts.
millimeter (mm)
A metric unit of length. 1,000 millimeters = 1 meter
intersecting lines
Lines that cross at a point.
line segment
A part of a line with two endpoints.
meter (m)
A standard unit of length in the metric system.
hour (hr)
A unit of time. 1 hour = 60 minutes. 24 hours = 1 day.
ounce (oz)
A customary unit of weight equal to one sixteenth of a pound. 16 ounces = 1 pound.
minute (min)
One sixtieth of an hour or 60 seconds.
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.
fracton
A way to describe a part of a whole or a part of a group by using equal parts.
Identity Property of Multiplication
If you multiply a number by one, the product is the same as that number.
Section 3
(50 cards)
Zero Property of Multiplication
The product of any number and zero is zero.
quart (qt)
A customary unit of capacity. 1 quart = 2 pints or 1 quart = 4 cups
denominator
The bottom number in a fraction is the _______.
volume
The number of cubic units it takes to fill a figure.
reasonableness
An answer that is based on good number sense.
law of equivalent fractions
You can multiply or divide the numerator and denominator by the same number without changing the fraction's value.
pint (pt)
A customary unit of capacity. 1 pint = 2 cups
ray
A part of a line that has one endpoint and goes on forever in one direction.
period
In a large number, periods are groups of 3 digits separated by commas or by spaces.
range
The difference between the greatest number and the least number in a set of data.
unit fraction
A fraction that has 1 as its numerator.
yard (yd)
A customary unit of length. 1 yard = 3 feet or 36 inches.
right angle
An angle that measures exactly 90º.
point
The exact location in space represented by a dot.
sum
The answer to an addition problem.
time interval
A duration of a segment of time.
difference
The answer to a subtraction problem is called?
plane figure
A two-dimensional figure.
related facts
Related addition and subtraction facts or related multiplication and division facts. Also called fact family.
protractor
A tool used to measure and draw angles.
pattern
A repeating or growing sequence or design. An ordered set of numbers or shapes arranged according to a rule.
place value
The value of the place of a digit in a number.
square unit
A unit, such as square centimeter or square inch, used to measure area.
ratio
A comparison of 2 quantities is called a _______.
subtract
An operation that gives the difference between two numbers. Subtraction can be used to compare two numbers, or to find out how much is left after some is taken away.
whole numbers
Whole numbers are zero and the counting numbers 1, 2, 3, 4, 5, 6, and so on. If a number has a negative sign, a decimal point, or a part that's a fraction, it is not a whole number.
word form
A way of using words to write a number.
round a whole number
To find the nearest ten, hundred, thousand, (and so on).
quotient
The answer to a division problem.
standard form
A common or usual way of writing a number using digits.
second (sec) (unit of time)
One sixtieth of a minute. There are 60 seconds in a minute.
unlike denominators
Denominators that are not equal.
variable
A letter or symbol that represents a number.
product
The answer to a multiplication problem.
tenth
One of the equal parts when a whole is divided into 10 equal parts.
addend
Numbers that are added together to make a sum are called?
pound (lb)
A customary unit of weight. 1 pound = 16 ounces.
simplify
To express a fraction in simplest form.
perpendicular lines
Two intersecting lines that form right angles.
two-dimensional
Having length and width. Having area, but not volume. Also called a plane figure.
sequence
A set of numbers arranged in a special order or pattern.
right triangle
A triangle that has one 90º angle.
weight
The measure of how heavy something is.
quotient
The answer to a division problem?
remainder
The amount left over when one number is divided by another.
prime number
A whole number greater than 0 that has exactly two different factors, 1 and itself.
vertex
The point at which two line segments, lines, or rays meet to form an angle.
simplest form
When a fraction is expressed with the fewest possible pieces, it is in simplest form. (Also called lowest terms.)
numerator
The top number of a fraction is the _________.
perimeter
The distance around the outside of a figure.
Section 4
(50 cards)
Polygon
A shape with straight sides that's closed all the way around is called ______?
Right angle
An angle that makes an L-shape. (90 degrees) is a ______?
inequality symbols
Greater than and less than symbols are called?
Obtuse angle
An angle larger than a right angle is an _______?
Vertex
The point where lines cross is called a ______?
Endpoints
The two ends of a line segment, named with two different capital letters are called _______?
perpendicular lines
What is it called when 2 lines intersect to make right angles?
Area
The space inside a polygon. Length X Width is called the _____?
ordered pair
When the number for x is always first and the number for y is always second is called an ______?
straight angles
Sides that make a straight line and meaures 180 degrees are called ______?
equation
Two expressions that are equal to each other are called an __________.
origin
The intersection point is called?
Scalene triangle
A triangle witch sides are lengths of all different sizes are called ______?
number line
A line with evenly spaced marks on it that represent numbers is called a ___________.
Isosceles triangle
A triangle with two equal sides is called an ______?
y-axis
The vertical number line is called?
box/whisker plot
A simplified version of a histogram is a _________.
Equilateral triangle
A triangle that all three sides are equal is called an _____?
Radius
Distance from center to edge is called the _____?
Parallel lines
Lines that never intersect. "Side by side" are called ______?
histogram
A graph that helps you see how spread out a group of numbers are is called a __________.
protractor
This is used to measure angles?
Acute angle
An angle smaller than a right angle is an _______?
inverse operations
Operations that undo each other are called _____?
parallel lines
Lines that run side by side but do not intersect are called ______?
Triangle
A polygon that has three sides and three angles is called ______?
Perimeter
The distance around a polygon is the _____?
x-axis
The horizontal number line is called?
Pentagon
A polygon with five sides is a ______?
Point
A dot. Named with capital letters. is a _______?
Angle
Formed when lines or segments cross, or intersect. The space in the middle is an ______?
negative numbers
Numbers that are less than zero are called?
Diameter
Distance all the way across the circle to the center is the ______?
Perimeter of a square
4 X length of the side is the ______?
Quadrilateral
A polygon with four sides is an ______?
The Golden Rule of Algebra states that if you do something to one side of an equation, you have to do the same thing on the other side.
What does the Golden Rule of Algebra state?
coordinates
A pair of numbers used to determine the position of a point on a graph are __________?
graphs
Number pictures are called?
line graph
The graph that is good for showing changes over time is called a _________.
positive numbers
Numbers that are greater than zero are called?
Perpendicular lines
Lines that intersect to form right angles are called ______?
circle graph/pie chart
What shows you the relationship of the parts of something to the whole
Hexagon
A polygon with six sides is a ______?
Octagon
A polygon with eight sides is an ______?
Intersect
The technical word for what happens when lines cross is called?
vertical angles
__________ are formed by 2 intersecting lines.
Line segment
Part of a line. Stops on both ends is a _______?
bar graph
This uses bars to show data
coordinate plane
The axises along with all the space around is called the ___________?
Perimeter formula
The sum of the sides (add the lengths of all the sides) is called the _____?
Section 5
(31 cards)