Lesson 1: Adding and Subtracting Rational Numbers

Lesson 1: Adding and Subtracting Rational Numbers

Adding and Subtracting Integers

Multiple Choice

14 - (- 6) = 

• -8
• 8
• -20
• 20

Multiple Choice

Which addition expression is equivalent to 7 - (-3)?

• -3 + 7
• -7 + 3
• 7 + 3
• 3 + (-7)

Multiple Choice

(-8) - (-6)

• 14
• -14
• 2
• -2

Multiple Choice

38 + (-5)

• 43
• -43
• 33
• -33

Multiple Choice

24 + (-6)

can be rewritten as:

• 24 - 6

• 24 + 6

• -24 - 6

• -24 + 6

Multiple Choice

-8 + 13

• 21

• -21

• 5

• -5

Multiple Choice

 2 - (- 2).... it is the same as 

• 2 - 2
• 2 + 2
• 2 + -2
• 2 - +2

Multiple Choice

When we are adding numbers with different signs, we follow the rule of...

• different signs subtract
• different signs positive
• different signs add and keep
• different signs negative

Multiple Choice

When we are adding, the rule for numbers with the same sign is...

• same signs subtract
• same signs add and keep
• same signs positive
• same signs negative

Multiple Choice

The record high temperature in January was 18 degrees.  The record low temperature was - 7 degrees.  What is the difference between the high and low temperatures?

• 25 degrees
• 11 degrees
• 6 degrees
• - 11 degrees

Multiple Choice

The football team gained 9 yards on their first play.  On the next play they lost 17 yards.  By how many yards did their position change? 

• -8
• 8
• 26
• -26

Multiple Choice

Amber had $400 in her saving account.  She withdrew $130 on Monday.  On 
Wednesday she made a deposit of $62.   Friday she withdrew $247.  How much is in her account now?

• $400
• $247
• $332
• $85

Multiple Choice

Jose and Maria are scuba diving.  They started out at 15 feet below sea level.  They descended 28 feet, then rose 11 feet and finally descended 33 more feet.  What was their final depth?  

• -1 foot
• 65 feet
• 76 feet
• -65 feet

Multiple Choice

One day in Texas it was 32 degrees and the next day it was -5 degrees. What was the difference in the temperature of the two days?

• 27 degrees
• 12 degrees
• 37 degrees
• 50 degrees