Unit 4: Rational Numbers

Question 1

divisor

Answer 1

In a division problem, it is the number dividing.

Question 2

denominator

Answer 2

In a fraction, this number indicates the total number of equal parts that make up a whole. This number is written after the slash, or below the fraction bar, in a fraction.

Question 3

numerator

Answer 3

In a fraction, this represents the number of equal parts represented in the denominator that are given or available. This number is written before the slash, or above the fraction bar, in a fraction.

Question 4

whole number

Answer 4

A number whose value is 0 or greater (negative numbers are not considered whole numbers) and can be represented without a fractional or a decimal component.

Question 5

reciprocal

Answer 5

For a number x, it is that number which, if you multiply x by it, the product is 1.

Question 6

integer

Answer 6

A number (positive, negative, or zero) that can be represented without a fractional or a decimal component.

Question 7

greatest common factor

Answer 7

For two or more whole numbers, this is the greatest number that divides evenly into all the numbers.

Question 8

place value

Answer 8

The value of where a digit is located in a number. For example, in 457, the 4 is in the hundreds place, 5 is in the tens place, and 7 is in the ones place.

Question 9

proper fraction

Answer 9

A fraction where the number in the numerator is less than the number in the denominator.

Question 10

trailing zeros

Answer 10

Sequence of zeros after the last non-zero digit in a decimal number.

Question 11

least common multiple

Answer 11

The smallest number in value that is a multiple of two or more numbers.

Question 12

rational number

Answer 12

Any number that can be represented as a quotient of two integers. Decimal numbers that either terminate or repeat are rational numbers.

Question 13

mixed number

Answer 13

A whole number plus a fraction.

Question 14

dividend

Answer 14

In a division problem, the number being divided into.

Question 15

factor

Answer 15

A number that divides evenly into another number.

Question 16

prime factorization

Answer 16

Determining the set of prime numbers whose product is the original intege

Question 17

fraction

Answer 17

Essentially a part of a whole number denoted by a slash, /, or a fraction bar. This contains two integers, separated by a slash or fraction bar.

Question 18

equivalent fractions

Answer 18

Different fractions that represent the same value

Question 19

improper fraction

Answer 19

A fraction where the number in the numerator is more than the number in the denominator.

Question 20

least common denominator

Answer 20

The smallest of all possible common denominators.

Question 21

decimal

Answer 21

A number with a whole number part, a decimal point, and a decimal part. The whole number may be zero.

Question 22

consecutive integers

Answer 22

Integers that follow each other in order, like 1, 2, 3, 4…