Word Problems
A diver is at -12.5 feet below sea level. She rises 4.8 feet. What is her new position?
-7.7 feet
What is
6.2×103 written in standard form
6,200
What is 103
1,000
Which of the following rational numbers is between 1/9 and 12%?
A. 0.110
B. 0.108
C. 0.011
D. 0.113
D. 0.113
Reese estimates the product of three mixed numbers: 6 3/4, 4 8/9, and 1 5/6 by multiplying 7, 5, and 2. Would Reese’s estimate be more or less than the actual product?
It would be more than the actual product because he rounded up.
The temperature was -3.4°C in the morning and increased by 8.9°C by afternoon. What was the afternoon temperature?
5.5°C
What is 7.02×10-6 written in standard form.
0.00000702
A science lab needs 4 × 104 bacteria. How many bacteria is that?
40,000
Which is greater?
-0.25 Or -0.2
-0.2
Carlos is making five cakes. One cake requires 1/4of a cup sugar. How much sugar will he need to make all five cakes?
1 1/4 or 5/4
A student had $15.75 in a lunch account. She spent $8.90 and then added $5.25. What is the new balance?
$12.10
Order these numbers in scientific notation by descending order.
5.2×106, 4.98×107, 5.02×106, 4.9×107
4.98 X 107, 4.9 X 107 , 5.2 x 106, 5.02 x 106
Which of the following are also equivalent to 10-3?
A. 1000
B. (1/1000)3
C. (1/10)3
D. 0.001
C & D
Order from least to greatest:
-1.3, 0.8, -0.7, 1.2
-1.3, -0.7, 0.8, 1.2
Jenny's family is renting a vacation home for their family. They are offering a holiday special rate of $250 for three days and each additional day has a rate of $100 per day. If Jenny's family is going to rent a vacation home for 5 days, how much will they spend?
$450
An elevator starts on floor -6. It goes up 13 floors and then down 4 floors. Where does it end?
Floor 3
Write this number in scientific notation.
7,820,000
7.82 x 106
True or False
(1/10)-5 is equal to 0.00001
FALSE
That would be (1/10)5
− 262%, 13.125, 243%, 13.17
Put these numbers in ascending order
-262%, 243%, 13.125, 13.17
There are 20 students in Ms. Settle's class. 3/4 of the class owns a cell phone. Of the group who owns a cell phone 1/5 of them have social media. How many students have a cell phone and social media?
3 students
A hiker is at an elevation of 1.8 miles above sea level. She descends 2.3 miles. What is her new elevation?
-0.5 miles
Order the following numbers from least to greatest:
3.5×10−4, 2.9×10−3, 4.1×10−5, 8.2×10−4
4.1×10−5, 3.5×10−4, 8.2×10−4, 2.9×10−3
What is 1/10000 in expanded form?
1/10 x 1/10 x 1/10 x 1/10
Put these numbers in ascending order
1/3, -3, 30%, 3.0
-3, 30%, 1/3, 3.0
Queens Lake Bakery shop has a large variety of cupcakes. The shops menu is 1/8 chocolate and 1/4 vanilla. What fraction of their cupcakes are neither chocolate or vanilla?
5/8