TSI Math 2.0 Practice

Front

Back

Front

How do you calculate the area of a rectangle?

Back

Area = length × width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If the cost of carpeting is $2.50 per square foot, how do you find the total cost for a rectangular area?

Back

Total cost = cost per square foot × area of the rectangle.

Tags

CCSS.6.G.A.4

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height.

Tags

CCSS.6.G.A.1

Front

How do you find the average of a set of numbers?

Back

Average = (sum of all values) / (number of values).

Tags

CCSS.6.SP.B.5C

Front

What is the average grade of a class with 12 students averaging 77 and 9 students averaging 91?

Back

Average = (12*77 + 9*91) / (12 + 9) = 83.

Tags

CCSS.6.NS.B.3

Front

What does it mean to simplify an expression?

Back

To reduce it to its simplest form without changing its value.

Front

Back

Using the formula Area = 1/2 × base × height, we find height = 6.

Tags

CCSS.6.G.A.1

Front

What is the significance of negative exponents in algebra?

Back

Negative exponents indicate the reciprocal of the base raised to the opposite positive exponent.

Tags

CCSS.8.EE.A.1

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1