Operations Rational Numbers Review

Point B is located at 0 on the number line, Point C is located at 1 1/2 on the number line, and Point A is located at -2 on the number line. How far apart are Point A and Point C from each other?

• 7 units away from each other.

• 3 units away from each other

• 3 1/2 units away from each other

• 4 1/2 units away from each other

True or False: When you multiply or divide a positive number and a negative number, the answer will be negative.

• True

• False

What is the value of the expression -18 - (-44) ?

• -62

• - 26

• 62

• 26

What is the value of the expression -32 - 14?

• - 46

• 46

• 18

• - 18

Solve

• 6

• -6

A hot air balloon ascends to a height of 45 meters after launch. To avoid a tree, the hot air balloon flew up by 4 1/2 meters. After some time, the balloon's altitude began to change by -2 1/4 meters every minute for 8 minutes. What is the new altitude of the hot air balloon?  Enter your answer as a decimal or an improper fraction.  DO NOT enter a mixed number.  Only enter a numeric answer;Do not add any words or measurements.

The change in price of a certain brand of juice from 2018 to 2020 is shown in the table.  In 2017, the price of juice was $4.39.  Using the information in the table to determine the price of juice at the end of 2020, I calculated the price to be $_________.  
(Enter the price only.  Do not enter words or the $ sign.)

Which of the following can help you when adding integers?

• Keep, Change, Reciprocal

• Same signs add and different signs subtract.

• Keep, change, opposite

• Draw a line, change the sign.

• 1 block

• 9 blocks

• 10 blocks

• 11 blocks

• Q and T

• Q and S

• P and T

• R and S