Adding & Subtracting Positive and Negative Rationals Numbers

Front

What is the sum of -2.8 and -3.7?

Back

-6.5

Front

What is the difference when subtracting -2 from -5?

Back

-3

Front

What is -2/5 + -9/3?

Back

-51/15 or -3 2/5

Front

What is the result of adding 6 and -6?

Back

0

Front

What is -2.09 - 15.271?

Back

-17.361

Front

Define a rational number.

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers.

Front

What is the rule for adding two negative rational numbers?

Back

When adding two negative rational numbers, the result is also negative and you add their absolute values.

Front

What is the rule for subtracting a negative number from a positive number?

Back

Subtracting a negative number is the same as adding its absolute value.

Front

What is the result of -3 + 5?

Back

2

Front

What is the result of -7 - 4?

Back

-11