Adding and Subtracting Integers and Rational Numbers Quiz

Cody states that $$\frac{1}{4}+\left(-\frac{6}{8}\right)=1$$ while Eddie says that it is $$-\frac{1}{2}$$ . Who is correct? Justify your answer and explain your thinking.

In a football game, a team gained 8 yards on one play, lost 4 yards on the next play, and then lost 3 yards on each of the next two plays. Write an expression that represents the total number of yards gained or lost on the four plays.

In a football game, a team gained 8 yards on one play, lost 4 yards on the next play, and then lost 3 yards on each of the next two plays. What integer that represents the total number of yards gained or lost on the four plays.

Over the course of 4 hours, the temperature in Juneau, Alaska changed immensely. The change in temperature for the first 3 hours is listed. Hour 1: $$3\degree F$$ , Hour 2: $$-12\degree F$$ , Hour 3: $$5\degree F$$ , Hour 4: ?? If the temperature at the start was $$-9\degree F$$ and the ending temperature was $$-2\degree F$$ , how much did the temperature change during the 4th hour?

Which equations below is not true statements? Select all that apply.

A submarine is at a depth of 12 meters below sea level. The submarine then descends 79 meters. What is the depth of the submarine now?

Draw a number line to represent and evaluate the expression.

$$\left(-\frac{4}{3}\right)-\left(-\frac{3}{4}\right)$$

Dominique has a balance of $250.55 in her bank account in December. In January, she withdrew $432.94 over the course of the month.

Represent the scenario on a number line.

Dominique has a balance of $250.55 in her bank account in December. In January, she withdrew $432.94 over the course of the month.

Which expressions represent the situation above? Select two.

Dominique has a balance of $250.55 in her bank account in December. In January, she withdrew $432.94 over the course of the month. Determine Dominique's account balance at the end of January.