Erica is at her house. She drives north 8.5 miles and stops at the store. Then she turns around and drives south 7.4 miles to go to her friends house. How far is the friends house from Erica's house?
What is 1.1 miles
100
6.9 + (-5.7)
What is 1.2
100
The temperature in the town is 22.3 degrees during the day and (-24.1) degrees at night. Find the difference in the temperatures.
What is 46.4.
100
(-1 1/3) - 4 5/6
What is -6 1/6
100
Simplify the expression (-2 3/4) + (-1/4)
What is (-3)
200
Simplify the expression (-150.6) + 100.5
What is (-50.1)
200
11 - (-3.4)
What is 14.4
200
Decide if the expression describes a difference that is positive, negative, or zero. 6.7 - 6.7
What is zero.
200
(-3/4) - (-5/12)
What is (-1/3).
200
Decide if 1.1 - 5.2 is positive, negative, or zero.
What is negative.
300
In her garden Pam plants the seed 1 3/4 inches below the ground. After one month the tomato plant has grown a total of 10 1/2 inches. How many inches is the plant above the ground?
What is 8 3/4 inches.
300
(-8.1) + (-6.6)
What is -14.7
300
Is the difference (-1/4) - (-2/3) positive, negative, or zero?
What is positive.
300
(-1 3/4) + (-1/4)
What is (-2).
300
The temperature in town is 30.6 degrees during the day and (-23.1) degrees at night. Find the difference.
What is 53.7 degrees.
400
Simplify the expression (-10/13) + 1/13
What is (-9/13)
400
10 - (-2.2)
What is 12.2
400
A bird flys from the bottom of the canyon that is 58 3/10 feet below sea level to a nest that is 522 3/5 feet above sea level. What is the difference in elevation between the bottom of the canyon and the birds nest?
What is 580 9/10 feet.
400
12/19 + (-9/19)
What is 3/19.
400
Write an equivalent addition expression to
(-3/4) - (-11/24).
What is (-3/4) + 11/24
500
At the beginning of the day the stock market goes down 30 1/4 points and stays at this level for most of the day. At the end of the day the stock market goes up 120 1/2 points from the low at the beginning of the day. What is the total change in the stock market from the beginning to the end of the day?
What is 90 1/4 points.
500
-23.2 - 21.9
What is -45.1.
500
Your friend says that the value of 17.25 - (-1.59) is 15.66. What is the correct value? What mistake did your friend make?
What is 18.84.
The mistake my friend made was he subtracted when he should have added.