7th_M3T1_Review

All integers are included in the set of natural numbers. Determine if this statement is true or false.

• True

• False

2/9 is included in the set of integers. Determine if this statement is true or false.

• True

• False

3/3 is included in the set of rational numbers. Determine if this statement is true or false.

• True

• False

The temperature in Chattanooga, Tennessee, is -3°C. The temperature in Sam’s hometown is 18 degrees colder than that. What is the temperature in Sam’s hometown?

The freezing point of helium is -458 degrees Fahrenheit. If you increase that temperature by 569.7 degrees Fahrenheit, you reach the freezing point of phosphorus. What is the freezing point of phosphorus?

Convert the fraction 3/8 to a decimal. Classify the decimal as terminating, non-terminating, repeating, or non-repeating. If the decimal repeats, rewrite it using bar notation.

Convert the fraction 7/25 to a decimal. Classify the decimal as terminating, non-terminating, repeating, or non-repeating. If the decimal repeats, rewrite it using bar notation.

Solve the expression: (-33.28 ÷ -5.2) ÷ -1.6 =

Solve the expression: (-14 7/8 + 1/3) ÷ -1/2 =

A construction company is building concrete pillars at the entrance of an auditorium. Each pillar requires 5.75 cubic yards of concrete. How many cubic yards will be required to construct 9 pillars?