Operations with 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 result of -7 - 2?

Back

-9

Front

How do you subtract a negative number?

Back

Subtracting a negative number is the same as adding its positive counterpart.

Front

What is -8 - (-4)?

Back

-4

Front

How do you divide mixed numbers?

Back

To divide mixed numbers, convert them to improper fractions, then multiply by the reciprocal of the divisor.

Front

Solve: 2 ⅜ ÷ -1 ¾

Back

-1 5/14

Front

What is the product of two negative numbers?

Back

The product of two negative numbers is positive.

Front

What is the result of -2 × (-5) × (-1) × (-9)?

Back

Positive

Front

What is the difference of –96.43 – (–98.67)?

Back

2.24

Front

What is the rule for adding rational numbers with different signs?

Back

When adding rational numbers with different signs, subtract the smaller absolute value from the larger absolute value and keep the sign of the number with the larger absolute value.