20 – 3c Single Step Real World
Problems
A plane is at an altitude of 29,446 2/3 feet above
ground level.
After 30 minutes, the plane rises by an altitude of
9,077 3/8 feet.
Which of the following is true about the altitude of
the plane after 30 minutes?
The plane is already at an altitude above ground level which makes its altitude
positive.
To find the altitude of the plane after 30 minutes, calculate the sum of the two
altitudes.
A positive number plus a positive number is equal to a positive number.
Brian rides his bike 0.29 of a mile per minute. If
it takes him 16 minutes to ride his bike to his
friend's house, how far away does his friend
live?
Chester has a coupon for 3/10 off the price of a shirt. If
the shirt originally costs $34.30, what discount would
Chester receive from using his coupon?
Barney has feet 19 2/3 ft. of lumber that he is going
to cut into 4 equal pieces for a border on his garden.
Which of the following is true?
To find the length of each piece of lumber, divide the total by 4.
Tonya has a small picture with a length of 4 2/5 inches.
She wants to enlarge the picture by a factor of 7 and
frame it. Which of the following is true?
To find the length of the new picture, multiply the length of the
original by the scale factor 7
Foster makes sandwiches at a deli. There are
11 ½ pounds of turkey at the deli. How many ¼
pound turkey sandwiches can he make?
Divide the total pounds of turkey by
the amount of turkey on each
sandwich.
11 ½ ÷ ¼ =
23/2 ÷ ¼ =
23/2 x 4/1 =
Garnet has a container with 10 ½ cups of flour
in it. She can make one dozen muffins with 2 ½
cups of flour. How many dozens of muffins can
Garnet make with the flour she has?
Divide the total cups of flour by the number of
cups in one dozen muffins
21/2 divided by 5/2 =
21/2 x 2/5 =
21/5 = 4 1/2
Tyrone's bank account had a balance of -$85.79
last week. His paycheck of $338.62 was
deposited this week. If there have been no other
transactions, which of the following is true?
(-85.79) + 338.62 = 338.62 - 85.79
= 252.83
A scuba diver descended 17 5/12 feet below sea
level. Then, he descended another 3 4/5 feet.
Which of the following is true about the scuba
diver after both descents?
You are adding two negative numbers together.
If the signs are the same, then add the numbers.
The answer is the same sign as the two numbers
-17 5/12 – 3 4/5 =
[can also be written as (-17 5/12) + (–3 4/5)]
The price of a gallon of gasoline is $2.25. The
price when Ryan's mother started driving was
3/5 of the current price. What was the price of
gasoline when Ryan's mother started driving?
• You need to multiply the two numbers.
Kate is making hamburgers for her friends
and has 10 1/3 pounds of hamburger. How
many 1/3 pound hamburgers can she
make?
• Divide 10 1/3 by 1/3
Pilar used six reusable shopping bags on a recent
purchase she made at a grocery store. Each bag
decreased the amount she spent by 5 cents. What was
the change to the amount Pilar spent at the grocery
store by using the reusable bags?
• 6 bages multipled by a decrease of 5 cents.
• 6 x -5 =