# Math 7 - Chapter 4

## 19 terms · Vocabulary words for Ms Oliveira's math 7 classes - Chapter 4

### Bar Notation

In repeating decimals, the line or bar placed over the digits that repeat.

### Common Denominator

a common multiple of the denominators of two or more fractions

### Composite Number

A whole number greater than 1 that has more than 2 factors.

### Equivalent Fractions

fractions that have the same value

### Factor Tree

a diagram used to find the prime factors of a number

### Greatest Common Factor

the largest common factor of two or more given numbers

### Least Common Denominator

The least common multiple of the denominators of two or more fractions.

### Least Common Multiple

the smallest number, other than zero, that is a common multiple of two or more numbers

### Multiple

the product of a given number and any whole number

### Percent

Part to whole ration that compares a number to 100.

### Prime Factorization

expressing a composite number as the product of prime numbers

### Prime Number

a whole number greater than 1 that has exactly two factors, itself and 1

### Ratio

a comparison of two quantities by division

### Rational Numbers

numbers that can be written as fractions, including terminating and repeating decimals, and integers

### Repeating Decimals

A decimal whose decimal digits eventually repeat in the same pattern.

### Simplest Form

the form of a fraction when the numerator and denominator have no common factor other than 1

### Terminating Decimal

A decimal number that ends or terminates

### Venn Diagram

A graphic organizer that uses two overlapping circles and that compares and contrasts two things or ideas.

### Equivalent Ratios

Two ratios that have the same value