operations on rational numbers

Front

What is a rational number?

Back

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

Front

What is the sum of a positive and a negative number?

Back

The sum of a positive and a negative number is found by subtracting the absolute values and taking the sign of the number with the larger absolute value.

Front

Calculate: 64 + (-71)

Back

-7

Front

What is the product of two negative numbers?

Back

The product of two negative numbers is always positive.

Front

Calculate: (-8) x (-10)

Back

80

Front

What is the product of a negative number and a positive number?

Back

The product of a negative number and a positive number is always negative.

Front

Calculate: -6 x (-12)

Back

72

Front

What is the result of multiplying two negative numbers?

Back

The result is positive.

Front

Calculate: -3 x (-4)

Back

12

Front

What is the sum of two negative numbers?

Back

The sum of two negative numbers is negative.