Integers
At 11:15 p.m., the temperature in Colorado was -9 degrees. Four hours earlier, the temperature was 37 degrees warmer. What was the temperature at 7:15 p.m.?
28 degrees
Translate the following expression:
A gym charges $60 to join and $27 for each month
$60 + 27x
Solve:
5x - 4 = 61
x=13
What fractions are equivalent to -6/7?
A. 6/7
B. -6/-7
C. 3/-7
D. -(-3/-7)
B and C
Evaluate:
(-4) x 20
Is your answer negative or positive?
-80 negative
A fish is a depth of -4.7 feet in a lake. The fish swims 1.3 feet toward the surface of the lake. How much farther does the fish need to swim before it reaches the surface of the lake.
3.4 feet
Combine like terms
-7x + 4 -8x - 3
-15x+1
Solve for x:
5x = -50
x = -10
7 4/9 divided by 2/3
16 3/4
On Friday, the temperature at 10 a.m. at Elizabeth's house was -4 degrees. The temperature at 3 p.m. at Elizabeth's house was 8 degrees.
From 10 am to 3 PM, did the temperature at Elizabeth's house increase or decrease?
Increase
A penguin dove 11 meters below sea level to catch dinner for his kids, who are sitting on an iceberg 18 meters above sea level.
What is the difference in elevation between the penguin and his kids?
29 meters.
Simplify the expressions:
3(-7x+4)
5(2x+4)
-21x+12
10x+20
Solve
-7x + 4=32
x=-4
Convert 0.8567 into a percentage
85.67%
Come up with a situation that can represent:
1 3/8 times 8 = 11
Answers will vary
Cody went to a movie with $50.00. The ticket cost $8.75, and he spent $5.63 on snacks. How much money did Cody have left over?
$35.62
What is the constant, coefficient, and variable in the expression:
5x + 24
Constant = 24
Coefficient = 5
Kevin has a Christmas Lights business. He charges $4.75 for each 1/2 hour of work. At the end of one week , he used some of his earnings to buy supplies. The total cost of the supplies was $28.50. After buying the supplies, he had $71.25 left from his earnings. What was the total number of hours that Kevin worked during this week?
**Hint*** Kevin charges that amount for a 1/2 hour, but it wants your answer as total hours.
10.5 hours
How many 5/16 foot pieces of wood can you cut from a board that is 9 7/16 feet long?
30 and 1/5 pieces of wood.
On Friday, the temperature at 10 a.m. at Elizabeth's house was -4 degrees. The temperature at 3 p.m. at Elizabeth's house was 8 degrees.
How many degrees did the temperature increase?
12 degrees
Rachel has a landscaping business. She charges $8.25 for 1/2 hour of work. At the end of one week, she used some of her earnings to buy supplies. The total cost of the supplies was $34.75. After buying the supplies he had $81.50 left from this week's earnings. What was the total amount of hours that terry worked during this week.
7.05 hours
Are the expressions
7d + 2 + 5d + 10 and 12(d+1) equivalent?
Make sure you can explain your answer
Yes
675x + 7,250 is less than or equal to 12,000.
Nate goes to the mall with $30.00. He buys a drink for $2.50, and he spent $15.75 at a store. How much money did Nate have left over?
$11.75
Connor and Rico both wrote down expressions that represent how much money they earn from raking leaves.
Connor wrote down 9d + 7 + 3d + 17
Rico wrote down 6(2d+4)
Suppose they earn $15 per hour. Will you get a different amount if you evaluate Connor's expression instead of Rico's? How much money did they earn? Be able to explain.
You will get the same amount.
$204