Math Similarity

Javier has saved $55 toward the purchase of an IPOD. The IPOD costs $145. Which equation represents the amount Javier needs to save to by the IPOD?

• 55 + x = 145

• 145x = 55

• 55 - x = 145

• 145 (55) = x

Marvin's grades currently in math are 100, 97, 98, 74, and 85. Gavin's grades currently in math are 98, 100, 88, 91, and 65. Which student has the highest mean score?

• Marvin

• Gavin

Marvin's grades currently in math are 100, 97, 98, 74, and 85. Gavin's grades currently in math are 98, 100, 88, 91, and 65. Find the range of each student's scores and make an inference about their ranges.

Four fourth-grade girls and four seventh-grade girls were randomly selected. Their heights, in inches, are recorded below.

4th Grade

56, 47, 54, 51

7th Grade

57, 58, 60, 64

What is the mean for 7th grade?

• 59.75

• 58

• 60

• 52

Reduce the fraction to simplest form.
7/28

• 7/28

• 1/4

• 1/7

Write the mixed number as an improper fraction.
2 5/7

• 19/7

• 14/7

Solve for x.
-3 + 4x = 25

• 7

• 5

Solve the equation for x. 
5x + 4 = 36 - 3x

• 3

• 4

• 1/4

Solve the inequality.

4x + 6 < 18

• x < 3

• x > 3

• x < 8

• x > 8

Use the Distributive Property to expand the expression below.

3(2c - 4)

• 6c - 4

• 5c - 4

• -6c

• 6c - 12