Adding/Subtracting 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

How do you add two negative rational numbers?

Back

To add two negative rational numbers, add their absolute values and keep the negative sign.

Front

What is the result of -1 1/4 + -2 1/2?

Back

-3 3/4

Front

How do you subtract a positive rational number from a negative rational number?

Back

Subtracting a positive number from a negative number results in a more negative number. You add the absolute values and keep the negative sign.

Front

What is -7.8 + (-0.8)?

Back

-8.6

Front

How do you find the difference between two amounts in a word problem?

Back

Subtract the smaller amount from the larger amount to find how much more one amount is than the other.

Front

What is the difference between account C and account B if C has $125.51 more than B?

Back

$125.51

Front

What is the result of 9 + -6.73?

Back

2.27

Front

What does it mean to subtract?

Back

To subtract means to take one number away from another, resulting in a smaller number.

Front

What is the result of subtracting 10.85 from 22.10?

Back

11.25