Math Review

An equation is shown below: 12 - 9 + c = 12. What value of c makes the equation true?

• A) 0

• B) 3

• C) 9

• D) 12

Kate has a coin collection. She keeps 7 of the coins in a box, which is only 5% of her entire collection. What is the total number of coins in Kate's coin collection?

• A) 12

• B) 14

• C) 120

• D) 140

What is the greatest common factor of 36 and 90?

• A) 6

• B) 18

• C) 36

• D) 180

All the students in the sixth grade either purchased their lunch or brought their lunch from home on Monday. 24% of the students purchased their lunch. 190 students brought their lunch from home. How many students are in the sixth grade?

• A) 76

• B) 166

• C) 214

• D) 250

There are 230 calories in 4 ounces of a type of ice cream. How many calories are in 6 ounces of that ice cream?

• 232

• 236

• 345

• 460

A shape is made of 12 right triangles of equal size. Each right triangle has a base of 4 cm and a height of 5 cm. What is the total area, in square centimeters, of the shape?

• A) 10

• B) 60

• C) 120

• D) 240

Pat bounces a basketball 25 times in 30 seconds. At that rate, approximately how many times will Pat bounce the ball in 150 seconds?

• A) 120

• B) 125

• C) 144

• D) 145

Which expression is equivalent to 5(4x + 3) - 2x?

• A) 18x + 15

• B) 18x + 3

• C) 7x + 8

• D) 2x + 8

Which two expressions are equivalent?

• A) x + x + x and x^3

• B) 14x + 10 - 2x and 16x + 10

• C) 12x + 16x and 4(3x + 4x)

• D) 12x^2 + 5x + 10 and 17x^2 + 10