1.3 Add & Subtract Integers
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Last updated about 3 years ago
12 questions
Note from the author:
TEKS 7.3A
11 problems contain only integers; #12 has decimals
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In Juneau, Alaska, the temperature was -15 \degree F in the afternoon. As a cold front approached, the temperature dropped 9 \degree F. Write a subtraction expression to determine the new temperature. Then determine and interpret the difference.
The subtraction equation ________ - _______ could be used to determine the new temperature.
The temperature after the cold frnt was ________ \degree F
Other Answer Choices:
-9
6
-15
9
-24
-6
24
5
Bob owed $225 on his store credit card. He made a payment of $75, and then he spent $40 more with his credit card. Write an expression to describe the total change in the credit card balance. Then intrepret the final balance of Bob's credit card.
The expression __________ __________ __________ = __________ describes the total change in the credit card balance.
This means that Bob __________ __________ on his credit card.
5
Danny’s youth football team gained 5 yards on a play, lost 9 yards on the next play, then gained 3 yards on the third play. Write an addition expression to describe the total change of yardage. Then determine the sum and explain its meaning.
The expression __________+__________+__________ describes the total change in yardage.
This means that the team __________ a total of __________
5
A scuba diver was at a depth of –24 feet with respect to sea level. She dove down 12 more feet to look at a coral reef. Then she swam up 9 feet to take a photo of a school of fish before swimming up another 6 feet to join her friend. What integer represents the diver's depth with respect to sea level when she joined her friend?
A scuba diver was at a depth of –24 feet with respect to sea level. She dove down 12 more feet to look at a coral reef. Then she swam up 9 feet to take a photo of a school of fish before swimming up another 6 feet to join her friend. What integer represents the diver's depth with respect to sea level when she joined her friend?
5
Lin had a starting balance of $185 in her bank account to start the week. During the week, she wrote a check for $39, had an ATM withdrawal of $20, and deposited $75. What integer represent Lin's account balance at the end of the week?
Lin had a starting balance of $185 in her bank account to start the week. During the week, she wrote a check for $39, had an ATM withdrawal of $20, and deposited $75. What integer represent Lin's account balance at the end of the week?
1
A rock climber that is 0.74 mile above sea level ascends 0.18 mile and then descends 0.8 mile. Write an integer to represent the location of the rock climber compared to sea level.
A rock climber that is 0.74 mile above sea level ascends 0.18 mile and then descends 0.8 mile. Write an integer to represent the location of the rock climber compared to sea level.