7th grade Quiz: Lessons 51-55

Convert the following number into scientific notation: 6,500,000

• 6.5 x 10^4

• 6.5 x 10^5

• 6.5 x 10^7

• 6.5 x 10^6

Simplify the following expression using the order of operations: 5 + 3 * (8 - 2)

• 13

• 40

• 23

• 19

A recipe calls for 2 cups of sugar and 3 cups of flour. If you want to make 4 times the amount of the recipe, how much sugar do you need?

• 6 cups

• 10 cups

• 8 cups

• 5 cups

A car travels 240 miles in 4 hours. What is the average speed of the car in miles per hour?

• 45

• 60

• 30

• 100

Solve the following problem: A store sells 3 types of apples at $1.50, $2.00, and $2.50 per pound. If a customer buys 2 pounds of the $1.50 apples, 3 pounds of the $2.00 apples, and 1 pound of the $2.50 apples, what is the average price per pound of apples bought?

• $1.75

• $2.25

• $3.00

• $1.92

Write the following number in scientific notation: 0.00000056

• 5.6 x 10^-6

• 5.6 x 10^-7

• 5.6 x 10^-8

• 5.6 x 10^-5

Evaluate the expression using the order of operations: 4 * (6 + 3) - 5

• 27

• 15

• 40

• 31

A recipe calls for 1 cup of sugar and 2 cups of flour. If you want to make 3 times the amount of the recipe, how much flour do you need?

• 5 cups

• 3 cups

• 6 cups

• 8 cups

A car travels 225 miles in 5 hours. What is the average speed of the car in miles per hour?

• 25

• 45

• 100

• 60

Solve the following problem: A store sells 2 types of oranges at $1.20 and $1.80 per pound. If a customer buys 3 pounds of the $1.20 oranges and 5 pounds of the $1.80 oranges, what is the average price per pound of oranges bought?

• $1.58

• $1.70

• $2.00

• $1.35