Adding and Subtracting Rational Numbers

Front

-2.61 + (-6.88)

Back

-9.49

Front

9 + -6.73

Back

2.27

Front

-4.2 + 3.3

Back

-0.9

Front

Fill in the blank: If the rational numbers have same signs, ______________ the absolute values and keep the common sign.

Back

add

Front

What's a way to define absolute value?

Back

The distance of a number from zero

Front

If the temperature in Chicago is -5 degrees and the temperature in Moscow is 8 degrees colder, what is the temperature in Moscow?

Back

-13 degrees

Front

Fill in the blank: If the rational numbers have different signs, ____________________ the absolute values and keep the sign of the number with the biggest absolute value. Options: add, subtract, multiply, divide.

Back

subtract

Front

Which situation could be represented by the equation: - 30 + 30 = 0 ?

Back

Charmeal loaned $30 to her brother. She then paid her back $30 the next day.

Front

Mr. Smith has an account balance of -$275.78. He deposits $539.20 into his account. What is Mr. Smith's account balance now?

Back

$263.42

Front

(-115) + 23

Back

-92