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65 Cards in this Set
- Front
- Back
Hindu-Arabic system (1)
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a base-10 number system that has 10 different symbols
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digits (numerals) (1)
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symbols used in the base-10 Hindu-arabic system: 0,1,2,3,4,5,6,7,8,9
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counting numbers OR natural numbers (1)
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1,2,3,4,5...
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whole numbers (1)
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0,1,2,3,4...
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place value (1)
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naming the value of a place in a number
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units (6)
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1
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tens (1)
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10
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hundreds (1)
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100
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thousands (1)
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1,000
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ten thousands
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10,000
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hundred thousands
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100,000
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millions (1)
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1,000,000
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ten millions
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10,000,000
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hundred millions
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100,000,000
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billions
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1,000,000,000
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ten billions
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10,000,000,000
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hundred billions
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100,000,000,000
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trillions
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1,000,000,000,000
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ten trillions
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10,000,000,000,000
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hundred trillions
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100,000,000,000,000
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expanded notation
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writing the value of every digit in a number individually
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number line
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arranging numbers in order on a line
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origin
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the zero point of a number line
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positive numbers
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the numbers to the right of the origin
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negative numbers
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the numbers to the left of the origin
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integers
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negative numbers, zero, or positive numbers on a number line
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graph
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the dot on the number line that shows a number's location
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coordinate
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the number associated with a point on a number line
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rounding
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to estimate a number to the nearest 10, 100, 1,000, etc.
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subtrahend
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the number subtracted from the minuend
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minuend
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the number on top in a subtraction problem
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difference
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the answer in a subtraction problem
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inverse operations (3)
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opposite operations:
addition & subtractions are inverse operations multiplication & division are inverse operations |
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factors (4)
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numbers that are multiplied together
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product (4)
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the answer in a multiplication problem
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dividend (4)
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the number being divided in a division problem
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divisor (4)
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the number that divides in a division problem
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quotient (4)
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the answer in a division problem
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algorithm (4)
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a step-by-step process to solve a particular type of problem
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some, some more (5)
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addition word problem pattern
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some, some went away (5)
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subtraction word problem pattern
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how much greater (5)
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subtraction word problem pattern
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how much less (5)
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subtraction word problem pattern
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decimal numbers OR decimal fractions(6)
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numbers to the right of the decimal point
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tenths (6)
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.1
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hundredths
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.01
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thousandths (6)
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.001
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ten-thousandths (6)
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.0001
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hundred-thousandths (6)
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.000001
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millionths (6)
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.0000001
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estimation (7)
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rounding numbers so arithmetic can be done easily
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multiplying by a power of 10 (8)
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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
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dividing by a power of 10 (8)
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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
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point (9)
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an exact location in space
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curve (9)
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an endless connection of methematical points
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line (9)
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a straight curve
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ray (9)
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a half line that begins at one point and continues without end through another point
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line segment (9)
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the portion of a line between two of its points
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angle (9)
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figure formed by two rays that have a common endpoint
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vertex (9)
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the common endpoint of two rays (where the rays of the angle meet)
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perpendicular (9)
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an angle formed by two rays that are at 90 degrees to each other
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acute (9)
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an angle formed by two rays that are at less than 90 degrees to each other
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obtuse (9)
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an angle formed by two rays that are at more than 90 degrees to each other
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straight angle (9)
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an angle formed by two rays that point in opposite direction to each other
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perimeter (9)
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the measurement around or the distance around a figure; the added lengths of the sides of a figure
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