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65 Cards in this Set

  • Front
  • Back
Hindu-Arabic system (1)
a base-10 number system that has 10 different symbols
digits (numerals) (1)
symbols used in the base-10 Hindu-arabic 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 step-by-step 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
ten-thousandths (6)
.0001
hundred-thousandths (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