A small electronic scale in Mrs. Reynold’s chemistry classroom has a precision of  grams. Express this precision as a number using standard notation.

Express as a fraction in reduced form.

Light travels at a speed of approximately 300 million meters per second. How far does light travel in 3 seconds, expressed in scientific notation?

A measuring device is precise to yards. Express this precision as a number using standard notation.

A company that sells DVDs gives the customers a discount of 12% if they purchase more than 2 items. What fraction of the original price will the customers pay if they receive the discount?

A shop teacher has four sockets in a drawer. They are labeled -inch, -inch, -inch, and -inch. Which of these sockets has the smallest measurement?

If the numbers –3.8, –3.4, , , and –2.6 were graphed on a number line, which would appear farthest to the left?

What is a number that would appear to the right of both 0.3 and on the number line?

Which number represents the greatest mass in the table below?

Mass (grams)

A, B, C, D, and E are five points on the above number line. Consider the pairs A and B, B and E, C and B, and D and C. Of those pairs, which pair of points can be multiplied together to get a negative number?

Refer to the above number line. If you were to take the number represented by Point D and square it, would the result be less than –1, between –1 and 0, between 0 and 1, or greater than 1?

A, B, C, D, and E are five points on the above number line. Which one represents a number that, when cubed, will be negative?

Use mental math to find the product.

Use mental math to find the following sum.

At a certain high school, 39 out of 110 students surveyed have a pet at home. If there are 1,700 students in the school, estimate the number of students in the school who have a pet at home.

The hypotenuse of the right triangle below is  units long. Express this radical as a decimal rounded to two decimal places.

Auto Electronics Unlimited sells car stereo systems for $150. The store makes a profit of $45 for each stereo system sold. If the store made a profit of $2,925 over 14 days, approximately how many stereo systems were sold each day?

Factor the following expression.

Use the order of operations to simplify the following expression.

At a boutique, gift baskets can be custom made. The company charges a flat fee of $35, plus $60 per hour spent assembling the basket. There is an additional fee for materials used. The customer can determine the price of the gift basket by using the following formula:

C is the cost, t is the amount of time, in hours, spent doing the framing, and m is the cost of materials.

What equation shows the amount charged for a gift basket if it took 3 hours to make and the materials cost $60?

At the local garden center, flower arrangements can be custom made. The store charges a flat fee of $70 per arrangement. There is an additional cost to the store for materials used and the arranger is paid $12 per hour. The store determines its profit by the following formula:

P is the profit, a is the number of arrangements made, m is the cost of materials, and t is the hours spent making one arrangement.

What equation shows the amount of profit earned if the arranger makes 3 arrangements and the materials for each cost $40?

A bicycle store is offering to sell an assembled bike at a special price. They plan to charge $50 per bike and have to pay their worker $10 per hour to do the assembly. The store determines its profit by the following formula:

P is the profit, a is the number of bikes assembled, and t is the hours spent making one bike.

What equation shows the amount of profit earned if the worker makes 2 bikes?

At an archeological dig in ancient Mesopotamia, the distance around a triangular garden is calculated to be  meters. What is this distance expressed in simplest terms?

What number multiplied by will be equal to 71?

One way to find the distance between two points on a graph is to use the distance formula. Frank used the distance formula to find that the distance between two points was . What simplified radical is equivalent to this value?

A group of students calculates the height of a tree to be feet. Express this radical in simplest form.

1,999 students attend a local high school. Of those 1,999 students, 120 of them are on the honor roll. What percent of the students at the high school are on the honor roll, rounded to the nearest whole number?

What number, multiplied by , will result in a value of ?

The formula can be used to find the distance an object falls, if the length of time (t) it falls is known. The value of a is always . If an object falls for 2 seconds, how far has it fallen, to the nearest foot?

The formula can be used to find the distance a thrown object travels, if the length of time (t) it travels and the initial speed at which it is thrown (v) are known. The value of a is always . If an object is thrown at a speed of 6 m/s for 2.5 seconds, how far has it gone, to the nearest meter?

The power, in watts, of an electrical circuit can be found using the formula . In the formula, V is the number of volts and R is the resistance in ohms. Simplify the expression to determine the amount of power, in watts, of the circuit if  volts and  ohms. Round your answer to the nearest tenth, if necessary.

Of the teachers at Oakmont High School, 27 speak a foreign language. If this number represents % of the teaching faculty, how many teachers are there at Oakmont?

A certain bank charges a fee for removing money from an account. When Andrés withdrew his money from the bank, he had $2,800. After removing $200, he had $2,590 left in the bank. The bank had charged a fee of $10. What percent of the withdrawal is the fee?