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65 Cards in this Set
 Front
 Back
HinduArabic system (1)

a base10 number system that has 10 different symbols


digits (numerals) (1)

symbols used in the base10 Hinduarabic system: 0,1,2,3,4,5,6,7,8,9


counting numbers OR natural numbers (1)

1,2,3,4,5...


whole numbers (1)

0,1,2,3,4...


place value (1)

naming the value of a place in a number


units (6)

1


tens (1)

10


hundreds (1)

100


thousands (1)

1,000


ten thousands

10,000


hundred thousands

100,000


millions (1)

1,000,000


ten millions

10,000,000


hundred millions

100,000,000


billions

1,000,000,000


ten billions

10,000,000,000


hundred billions

100,000,000,000


trillions

1,000,000,000,000


ten trillions

10,000,000,000,000


hundred trillions

100,000,000,000,000


expanded notation

writing the value of every digit in a number individually


number line

arranging numbers in order on a line


origin

the zero point of a number line


positive numbers

the numbers to the right of the origin


negative numbers

the numbers to the left of the origin


integers

negative numbers, zero, or positive numbers on a number line


graph

the dot on the number line that shows a number's location


coordinate

the number associated with a point on a number line


rounding

to estimate a number to the nearest 10, 100, 1,000, etc.


subtrahend

the number subtracted from the minuend


minuend

the number on top in a subtraction problem


difference

the answer in a subtraction problem


inverse operations (3)

opposite operations:
addition & subtractions are inverse operations multiplication & division are inverse operations 

factors (4)

numbers that are multiplied together


product (4)

the answer in a multiplication problem


dividend (4)

the number being divided in a division problem


divisor (4)

the number that divides in a division problem


quotient (4)

the answer in a division problem


algorithm (4)

a stepbystep process to solve a particular type of problem


some, some more (5)

addition word problem pattern


some, some went away (5)

subtraction word problem pattern


how much greater (5)

subtraction word problem pattern


how much less (5)

subtraction word problem pattern


decimal numbers OR decimal fractions(6)

numbers to the right of the decimal point


tenths (6)

.1


hundredths

.01


thousandths (6)

.001


tenthousandths (6)

.0001


hundredthousandths (6)

.000001


millionths (6)

.0000001


estimation (7)

rounding numbers so arithmetic can be done easily


multiplying by a power of 10 (8)

moving the decimal point to the right; the number of places the decimal point is moved equals the number of zeros in the power of 10


dividing by a power of 10 (8)

moving the decimal point to the left; the number of places the decimal point is moved equals the number of zeros in the power of 10


point (9)

an exact location in space


curve (9)

an endless connection of methematical points


line (9)

a straight curve


ray (9)

a half line that begins at one point and continues without end through another point


line segment (9)

the portion of a line between two of its points


angle (9)

figure formed by two rays that have a common endpoint


vertex (9)

the common endpoint of two rays (where the rays of the angle meet)


perpendicular (9)

an angle formed by two rays that are at 90 degrees to each other


acute (9)

an angle formed by two rays that are at less than 90 degrees to each other


obtuse (9)

an angle formed by two rays that are at more than 90 degrees to each other


straight angle (9)

an angle formed by two rays that point in opposite direction to each other


perimeter (9)

the measurement around or the distance around a figure; the added lengths of the sides of a figure
