Temperature Analysis Flashcard

Front

What is the result of subtracting a negative number?

Back

Subtracting a negative number is the same as adding its positive counterpart. For example, 9 - (-13) = 9 + 13 = 22.

Front

If the temperature in Chicago is -9°F and Miami is 66°F warmer, what is the temperature in Miami?

Back

To find the temperature in Miami, add 66 to -9: -9 + 66 = 57°F.

Front

What is the difference between two negative numbers, such as (-3) - (-5)?

Back

The difference is found by subtracting the second number from the first. (-3) - (-5) = -3 + 5 = 2.

Front

What is the sum of two negative numbers, like (-8) + (-2)?

Back

The sum of two negative numbers is negative. (-8) + (-2) = -10.

Front

How do you find the difference between (-19) and (-35)?

Back

To find the difference, subtract the second number from the first: (-19) - (-35) = -19 + 35 = 16.

Front

What does it mean to find the difference in mathematics?

Back

Finding the difference means subtracting one number from another.

Front

What is the definition of absolute value?

Back

Absolute value is the distance of a number from zero on the number line, regardless of direction. For example, |−5| = 5.

Front

What is a negative number?

Back

A negative number is a number less than zero, often used to represent a loss or a decrease.

Front

What is a positive number?

Back

A positive number is a number greater than zero, often used to represent a gain or an increase.

Front

How do you add two negative numbers?

Back

To add two negative numbers, add their absolute values and keep the negative sign. For example, (-3) + (-2) = -(3 + 2) = -5.