# Study sets matching "math 4 2"

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slope

slope triangle

rise

run

the ratio of rise over run of a line; its steepness or flatness

a triangle drawn to show rise and run

the amount of change on the y-coordinates

the amount of change on the x-coordinates

slope

the ratio of rise over run of a line; its steepness or flatness

slope triangle

a triangle drawn to show rise and run

estimate

reasonable

front-end estimation

rounding

a calculated guess that is close to the exact number

an estimate that is close to the actual answer

the front-end estimate of 324 is 300

to give an approximate value

estimate

a calculated guess that is close to the exact number

reasonable

an estimate that is close to the actual answer

congruent

corresponding angles

corresponding sides

transformation

figures that have the same size and shape; identical; same ang…

matching angles on two congruent figures

matching sides on two congruent figures

a reflection, rotation, translation, or dilation to create an…

congruent

figures that have the same size and shape; identical; same ang…

corresponding angles

matching angles on two congruent figures

equidistant

perpendicular

segment bisector

pythagorean theorem

at equal distances

2 lines that intersect to form a right angle (90 degrees)

A line or point that cuts a line into two equal parts.

in a right triangle, a²+b²=c²

equidistant

at equal distances

perpendicular

2 lines that intersect to form a right angle (90 degrees)

addend

addition

equation

sum

numbers to be joined together in an addition equation

joining two or more numbers together

a number sentence

the "answer" of joining two or more numbers together (equals)

addend

numbers to be joined together in an addition equation

addition

joining two or more numbers together

supplementary angles

complementary angles

midpoint formula

slope intercept formula

Two angles whose sum is 180 degrees

Two angles whose sum is 90 degrees

((x₁+x₂)/2, (y₁+y₂)/2)... average coordinates

y=mx+b (m is slope) (b is y intercept)

supplementary angles

Two angles whose sum is 180 degrees

complementary angles

Two angles whose sum is 90 degrees

Equation

solution of an equation

Addition Property of Equality

Subtraction Property of Equality

mathematical sentence that uses an equal sign to show that two…

value for the variable that makes the equation true

two sides of an equation stay equal with the same amount is ad…

when you subtract the same amount from both sides of an equati…

Equation

mathematical sentence that uses an equal sign to show that two…

solution of an equation

value for the variable that makes the equation true

Distributive Property

Estimate

factor

partial product

The property that states that multiplying a sum by a number is…

To find an answer that is close to the exact amount

A number that is multiplied by another number to find a produc…

A method of multiplying in which the ones, tens, hundreds, and…

Distributive Property

The property that states that multiplying a sum by a number is…

Estimate

To find an answer that is close to the exact amount

congruent figures

corresponding angles

corresponding sides

transformation

figures that have the same size and shape

matching angles on two congruent figures

matching sides on two congruent figures

changes a figure into another congruent

congruent figures

figures that have the same size and shape

corresponding angles

matching angles on two congruent figures

eighteen

one thousand, two hundred and forty-thr…

ninety-four thousand, seven hundred and…

96,833

Write the numbers in words:... 18

Write the numbers in words:... 1,243

Write the numbers in words:... 94,711

Write the numerals: ... ninety-six thousand, eight hundred and th…

eighteen

Write the numbers in words:... 18

one thousand, two hundred and forty-thr…

Write the numbers in words:... 1,243

algorithm

counting on

commutative property of addition

associative property of addition

a set of steps used to solve a math problem

counting up from the lesser number to the greater number to fi…

numbers added in any order and the sum remains the same

addends can be regrouped and the sum remains the same

algorithm

a set of steps used to solve a math problem

counting on

counting up from the lesser number to the greater number to fi…

Volume

Rectangular Prism

Solid

Surface Area

The amount of space occupied by an object.

A solid (3 dimensional) object which has six faces that are re…

A three dimensional (3D) object. Examples include, spheres, cu…

The total area of the 2-dimensional surfaces that make up a 3-…

Volume

The amount of space occupied by an object.

Rectangular Prism

A solid (3 dimensional) object which has six faces that are re…

Quadratic Equation in Standard Form

Quadratic Formula

imaginary number

factor

an equation of the form ax² + bx + c = 0, where a ≠ 0

The square root of a negative number

To write a number as a product of its factors

Quadratic Equation in Standard Form

an equation of the form ax² + bx + c = 0, where a ≠ 0

Quadratic Formula

estimate

factor

multiply

round

A number that is not exact; a careful guess.

A number that is multiplied by another number to find a produc…

The operation of repeated addition of the same number.

Increasing or decreasing a number to a certain place value

estimate

A number that is not exact; a careful guess.

factor

A number that is multiplied by another number to find a produc…

Repeated Addition

Odd

Equal Groups

Skip count

To use the same addend over and over.

An odd number of objects has 1 left over when counted by 2s. N…

Each group has the same number of objects.

Count objects in equal groups of two or more.

Repeated Addition

To use the same addend over and over.

Odd

An odd number of objects has 1 left over when counted by 2s. N…

a mid segment in a triangle

a property of a mid segment in a triang…

the length of a mid segment in a triang…

if a point is on the perpendicular bise…

is a segment connecting the midpoints of 2 sides of the triang…

is that it is parallel to the third side of the triangle

is half the length of the side it is parallel to

then it is equidistant from the endpoints of the segment

a mid segment in a triangle

is a segment connecting the midpoints of 2 sides of the triang…

a property of a mid segment in a triang…

is that it is parallel to the third side of the triangle