Integers and Rational Numbers

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction or ratio of two integers, where the denominator is not zero.

Front

How do you represent a decrease in temperature using integers?

Back

A decrease in temperature is represented by a negative integer. For example, a decrease of 4 degrees is represented as -4.

Front

What is the opposite of a negative integer?

Back

The opposite of a negative integer is its positive counterpart. For example, the opposite of -9 is 9.

Front

How do you divide a whole number into fractions?

Back

To divide a whole number into fractions, you can express the whole number as a fraction with a denominator. For example, 8 chocolate bars for 22 students is represented as 8/22.

Front

What fraction represents the amount each student gets if 8 chocolate bars are divided among 22 students?

Back

8/22 of a chocolate bar.

Front

If Jessica has 15 oranges and 12 apples, how do you find the total amount of fruit?

Back

Add the number of oranges and apples: 15 + 12 = 27 fruits.

Front

What fraction represents the amount of fruit each student gets if 27 fruits are divided among 30 students?

Back

27/30 of a fruit.

Front

What is the value of -35 in a banking context when a customer deposits money?

Back

The value of -35 represents a withdrawal, while 35 represents a deposit.

Front

How do you express a fraction in simplest form?

Back

To express a fraction in simplest form, divide the numerator and denominator by their greatest common divisor (GCD).