Page 17 - Math Course 1 (Book 1)

Whole Numbers And Integers

REAL WORLD EXAMPLE Use the integers graphed on the number line below
for each question.
WEATHER

1. Write two inequalities involving (-4) and (1).
The high temperatures A. –4 < 1, 1 > –4
for the f rst seven days of B. –4 < 1, 1 < –4
January were –8°, 10°, C. –4 > 1, 1 > –4
2°, –3°, –11°, 0°, and 1°.
D. –4 > 1, 1 < –4
Order the temperatures from least to greatest.

-6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6

-12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12
Answer
Write the numbers as they appear from left to right.

The temperatures –11°, –8°, –3°, 0°, 1°, 2. Replace the with <, >, or = in (6) (–7) to make a
Answer 2°, 10° are in order from least to greatest. true sentence.
A. <
B. >
C. =
D. none of the above

-6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6
Your Turn!
Answer
Answer the following questions.
1. Write an integer for a loss of 12 yards.
FOOTBALL
A. 12
B. -12 The yards gained during the f rst six plays of the
C. both A and B football game were 5, –3, 12, –9, 6, and –1.
D. both A nor B Order the yards from least to greatest
A. –1, –3, 5, 6, –9, 12
Answer
B. 12, 6, 5, –1, –3, –9
C. 5, 6, 12, –9, –3, –1
2. Write an integer for 15 feet above sea level. D. –9, –3, –1, 5, 6, 12

A. 15
B. -15
C. both A and B
D. both A nor B
Answer

3. Write an integer for the temperature decreased by
4 degrees.
A. 4 Answer
B. -4
C. both A and B
D. both A nor B

Answer

9