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Prealgebra

Key Terms

PrealgebraKey Terms

Key Terms

coordinate
A number paired with a point on a number line is called the coordinate of the point.
counting numbers
The counting numbers are the numbers 1, 2, 3, ….
difference
The difference is the result of subtracting two or more numbers.
dividend
When dividing two numbers, the dividend is the number being divided.
divisor
When dividing two numbers, the divisor is the number dividing the dividend.
number line
A number line is used to visualize numbers. The numbers on the number line get larger as they go from left to right, and smaller as they go from right to left.
origin
The origin is the point labeled 0 on a number line.
place value system
Our number system is called a place value system because the value of a digit depends on its position, or place, in a number.
product
The product is the result of multiplying two or more numbers.
quotient
The quotient is the result of dividing two numbers.
rounding
The process of approximating a number is called rounding.
sum
The sum is the result of adding two or more numbers.
whole numbers
The whole numbers are the numbers 0, 1, 2, 3, ….
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