1. Algebra
Library
Chapter 1: Pre-Algebra Concepts
Lesson 1.7: Applications of Integers
Practice
1. In winter the average
high and low
temperatures are as
shown here. How much
of a temperature
difference is there?
2. A submarine descends
to a depth of 1500 ft
and stays at that depth
for several hours. Then
it descends to a depth
of 2700 ft. How much
farther did it descend?
3. This volcano is 11,000
ft tall and it sends a
plume of smoke to an
altitude of 22,000 ft.
How tall is the plume
of smoke?
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2. Algebra
Library
Chapter 1: Pre-Algebra Concepts
Lesson 1.7: Applications of Integers
Answer Key
1. 37°F
2. 1200 ft
3. 11,000 ft
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