7th grade math worksheets

Worksheets >7th Grade Math Worksheets >7th Grade Math Worksheets-4

1.What is the value of the expression: (7 − 4) 2 ?

a. 6

b. 9

c. 45

d. 33

2. What is the value of the expression x 3 – 3 y when x = 4 and y = 2?

a. 32

b. 58

c. 10

d. 6

3. James bought some packages of pens. He bought one package containing 5 pens and n packages containing 2 pens each. Which of the following expressions could be used to find the total number of pens that James bought?

a. 7 n

b. 10 n

c. 5 n + 2

d. 2 n + 5

4 What value of x makes the equation 5 x – 1 = 19 true?

a. 3

b. 5

c. 7

d. 4

5 What is the value of the expression 5 x 2 − 2 xy when x = 3 and y = 0?

a. 24

b. 30

c. 39

d. 45

6. Susan and Mary have part-time jobs. Susan earns $2 less per hour than Mary earns. Let s represent Susan's hourly wage in dollars. Which of the following expressions represents Mary's hourly wage?

a. 2 s

b. 2 – s

c. s – 2

d. s ÷ 2

7. Sania made 7 paper airplanes in 2 minutes. She wants to make 10 paper airplanes. If Sania works at the same rate, which of the following proportions can be used to determine x , the number of minutes it will take her to make 10 paper airplanes?

a.

b.

c.

d.

8. Maria rented a moving van for one day at a rate of $30 per day plus $0.25 per mile. Which of the following equations can she use to calculate c , the cost, in dollars, of renting the van for one day and driving it m miles?

a. c = 55 m

b. c = 30.25 m

c. c = 30 + 0.25 m

d. c = 0.25 + 30 m

9 What value of y makes the equation = 24 true?

a. 72

b. 96

c. 6

d. 4

10. The student council held a dance to raise money. The expression 3 n − 150 represents the amount of profit the council made based on n , the number of students who bought tickets to the dance. What is the amount of profit the student council made if 60 students bought tickets to the dance?