Unit 2 Test - Ready Math

Front

Which value of x makes the following statement true? 1.9 - x = a negative number

Back

x = 2.1

Front

Choose the best answer for the question in the image: 36/5, -36/5, 162/5, -162/5

Back

-36/5

Front

Which situation could the expression (-19) - 4 represent? A submarine was 19 meters below the surface of the ocean. Then it moved 4 meters closer to the surface of the ocean. Riana owed David $19. Then she gave him $4. The temperature was -19 degrees. Then it decreased 4 degrees. Kevin had 19 pieces of gum. He gave 4 pieces away.

Back

The temperature was -19 degrees. Then it decreased 4 degrees.

Front

What is the sum of -26 and -37?

Back

-63

Front

Choose the best answer for the question in the image: 7 1/2, 3 3/10, -3 3/10, -7 1/2

Back

-3 3/10

Front

What is the definition of a negative number?

Back

A number that is less than zero.

Front

What does it mean to subtract a negative number?

Back

Subtracting a negative number is the same as adding its positive counterpart.

Front

What is the result of adding two negative numbers?

Back

The result is always a negative number.

Front

How do you represent a temperature decrease in mathematical terms?

Back

A decrease in temperature can be represented by subtracting a positive number from a negative number.

Front

What is the absolute value of -19?

Back

The absolute value of -19 is 19.