Overall IOWA Review

How does removing the decimal point from the number 4.05 change its value?

• The value is not changed.
• The value is 4 times less.
• The value is 10 times greater.
• The value is 100 times greater.

The net below folds into which three-dimensional figure?

• Square pyramid
• Triangular prism
• Rectangular prism
• Triangular Pyramid

If d × 4 + 6 = 50, then what is the value of d?

• 5
• 10
• 11
• 40

Which equation represents the relationship between x and y?

• y = x + 5
• y = 2x + 1
• y = 2x + 5
• y = 3x - 1

When a cube with sides numbered 1 through 6 is rolled one tie, what is the probability of rolling a 4 or greater?

• ⅚
• ¼
• ⅓
• ½

Six out of 20 seats are empty.  What percent of the seats are empty?

• 6%
• 14%
• 30%
• 60%

What is the pattern of the geometric sequence below?
27, 18, 12, 8, .....

• ⅓
• ⅔
• ³/₂
• ⁴/₃

What is the median of the 19 numbers plotted in the line plot below?

• 40
• 42
• 42.5
• 43

What is the value of the expression when x = 2?
                    3x³ - x² + x

• 16
• 22
• 24
• 30

Using the scatterplot, according to the trend in the data, which weight of paper is most likely discarded by a 8-person household?

• 4.5 pounds
• 12.5 pounds
• 25.0 pounds
• 50.0 pounds