Lesson 10 Practice Quiz B

Terry has a large bucket of water. He uses 2.25 gallons to water his plants. Next, Terry uses 1.33 gallons of the water to clean his gardening tools. Finally, he adds 4.8 gallons of water to the bucket.

The overall change in the number of gallons of water in Terry's bucket is _____ gallons.

Leila wants to determine if the value of -8.19 - 7.45 - (-1.38) is positive without calculating.

Into which of the expressions can Leila rewrite the subtraction expression as?

• (-8.19) + 7.45 + (-1.38)

• (-8.19) + (-7.45) + 1.38

• 8.19 + 7.45 + (-1.38)

• 8.19 + (-7.45) + 1.38

Leila wants to determine if the value of -8.19 - 7.45 - (-1.38) is positive without calculating.

The value of the expression is _______________.

• positive

• negative

In California, Furnace Creek has an elevation of -53 m and Badwater Bain has an elevation of -86 m. A negative elevation represents below sea level.

Which statement correctly compares these elevations?

• Furnace Creek is 144 m lower than Badwater Basin

• Furnace Creek is 144 m higher than Badwater Basin

• Furnace Creek is 28 m lower than Badwater Basin

• Furnace Creek is 28 m higher than Badwater Basin

• Positive

• Negative

• Positive

• Negative

• Positive

• Negative

• Positive

• Negative

• Positive

• Negative