TSI Concepts

The "middle" of a sorted list of numbers is the...

• Median

• Mode

• Range

• Mean

Answer explanation

To find the median, list the numbers from least to greatest and find the one in the middle.

If there are two left in the middle, find the average of them.

Tags

CCSS.6.SP.A.3

When finding an x-intercept of a line, the y-value must be...

• 1

• 0

• -1

• 2

Answer explanation

An x-intercept is on the x-axis.

What operation needs to be done to remove (cancel out) a square root?

• Square

• Cube

• Division

• Multiply

Answer explanation

Tags

CCSS.HSA.REI.A.2

Which is an example of a proportion?

Answer explanation

A proportion is when one fraction is equal to another fraction.

Tags

CCSS.7.RP.A.2A

John is one year older than three times Mary's age (m). Which represents John's age?

• 3m+1

• 3(m+1)

• 3m-1

• m+3

Answer explanation

Three times Mary age: 3m

One year older: +1

Tags

CCSS.6.EE.B.6

• Trapeziod

• Triangle

• Circle

• Rectangle

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Which is the formula for the perimeter of a rectangle?

Tags

CCSS.3.MD.D.8

What is the probability of rolling a 2 on a six-sided die?

Answer explanation

Only one side of the die has a 2 (desired outcome).

There are six total possible outcomes.

Tags

CCSS.7.SP.C.7A

The value that occurs most often is the...

• Mean

• Median

• Mode

• Range

Answer explanation

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

Which is the formula to find the slope of a line?

Answer explanation

Slope is equal to rise over run.

Change in y-values divided by the change in x-values.

Tags

CCSS.8.EE.B.5