Applying operations on integers to solve mathematical and real-world problems

Joe begins with $100 in his account. He debits $15. He receives a credit of $5. Joe writes a check for $30. How much does he have in his account now?

• $65

• $50

• -$30

• $60

Tags

CCSS.7.NS.A.3

If x = -2 and y = -5, find the value of 4

 $4\ \cdot\ x\ +\ y$  

• -13

• 13

• -28

• 28

Tags

CCSS.7.NS.A.3

Before he left the house to go on a walk, Curtis played a video game. He started with 0 points, lost 8 points 3 different times, won 4 points and then lost 2 points. How many points did he have when he left for his walk?

• -22

• -6

• 30

• 12

Tags

CCSS.7.NS.A.3

An Airplane's position changes -1500 feet per minute. What integer represents the total change in position of the airplane after 5 minutes

• -7500

• 7500

• -1500

• 1500

Tags

CCSS.7.NS.A.3

Evaluate:
−4+(−3)⋅4

• −16
• 8
• −28
• 28

Tags

CCSS.7.NS.A.3

Work out the value of the expression when x = 3, y = – 2 and z = – 4.
y + x – z     

• -5
• -3
• 3
• 5

Tags

CCSS.7.NS.A.3

(15 ÷ 3)² + 9 ÷ 3

• 11.3
• 28
• 13

Tags

CCSS.7.NS.A.3

What what is the inverse operation of subtraction?

• addition
• subtraction
• multiplication
• division

Tags

CCSS.7.NS.A.3

You're a mean one Mr. Grinch...

• Your heart's an empty hole
• You really are a heel
• You're a nasty wasty skunk
• You have termites in your soul

Tags

CCSS.7.NS.A.3

Consider the following expression:

25 + (-12) + (-5) + 10.

Which of the following word problems could the expression represent?

• Chris owed his friend Darien $25. He paid her $12 on Monday, $5 on Wednesday, and $10 on Friday. How much money does Chris still owe Darien?

• Julia earned $25 babysitting. She bought a sweater for $12 and a book for $5. Her mom then gave her $10 for her allowance. How much money does Julia now have?

• For his birthday, Mark got $25 from his mom, $12 from his grandma, and $5 from his brother. He spent $10 on tokens at the arcade. How much money does Mark have left?

• Blaine earned $25 by walking the neighbors’ dogs. At the mall, she spent $12 on a new book and $5 on some candy. She then gave $10 to her little sister. How much money does Blaine have left?

Tags

CCSS.7.NS.A.3