7th math number system review - mathletes

Front

What is the result of -9.33 - 15.67?

Back

-25

Front

What is 12.5 + (-8.5)?

Back

4

Front

If the temperature is 14 degrees Fahrenheit and decreases by 25 degrees, what is the final temperature?

Back

-11 degrees F

Front

Which of the following IS NOT equivalent to 3/4: 75%, 0.75, 15/20, 9/16?

Back

9/16

Front

What expression has a value of -19: (8-9) - 18, 8 - (-9), -9 - 8, -1 - (-17)?

Back

(8-9) - 18

Front

Define a rational number.

Back

A number that can be expressed as a fraction a/b where a and b are integers and b ≠ 0.

Front

What is the absolute value of -15?

Back

15

Front

What is the sum of two negative numbers?

Back

The sum is always negative.

Front

What is the product of a positive number and a negative number?

Back

The product is always negative.

Front

What is the difference between a whole number and an integer?

Back

Whole numbers are non-negative integers (0, 1, 2, ...), while integers include negative numbers as well (-1, 0, 1, ...).