Situations That Combine to Make Zero

Which situations result in quantities that combine to make 0? Select ALL that apply.

• Josh was given $10 as a gift and made a $10 purchase.

• The temperature rose 32 degrees by noon. By 10 PM, the temperature had dropped 32 degrees.

• Joselyn credited her customer's account with $42 and debited the account for $42 three days later.

• Akiyah withdrew $20 from her bank account on Monday and she withdrew an additional $20 from her bank account Tuesday.

• The vet discovered a dog had lost 3 pounds since his last visit. A month later, the same dog had lost 3 more pounds.

Tags

CCSS.7.NS.A.1A

Select all the situations that describe a quantity and its opposite being combined to make 0

• person deposits $100 into their bank account and then withdraws $100.

• car drives 10 miles east and then 10 miles west.

• temperature increases by 15 degrees in the morning and decreases by 15 degrees in the evening.

• investor buys stocks worth $500 and then sells stocks worth $500

• hiker climbs 200 meters up a hill and then climbs another 100 meters.

Tags

CCSS.7.NS.A.1B

Arianna runs up 4 flights of stairs and then runs down 4 flights of stairs. Does this situation represent additive inverses? Explain.

• Yes; The numbers combine to eight.

• Yes; The numbers combine to zero.

• No; The numbers are both represented by the same integer.

• No; The numbers cannot be added together.

Tags

CCSS.7.NS.A.1B

What is the additive inverse of 9?

• 9

• 0

• -9

• 18

Tags

CCSS.7.NS.A.1B

What is a zero pair? 

• Two negatives

• Two positives

• One negative, one positive

Tags

CCSS.7.NS.A.1C

3 + - 4 - ⁻1

• 0

• ⁻8

• ⁻2

• 8

Tags

CCSS.7.NS.A.1C

Which of the following situations would combine to make zero?

• Amy drives for three hours along an Interstate highway. She then drives for three hours along county highways.

• Julia took two math practice tests last month. She plans to take two more tests later this month.

• Manuel spent five hours exercising this weekend. He also spent five hours watching television.

• Chris walks four blocks west to the grocery store. After buying groceries, he walks four blocks east.

Tags

CCSS.7.NS.A.1A

In which scenario is the total change zero? (Choose all that apply)

• Chris gave Cesar 6 bananas. Chris then took back all 6 bananas because Cesar made him mad.

• Bear ran up 4 front steps, then back down 4 steps because he saw a treat on the ground

• Jason road his bike 2 miles from home, realized he remembered his wallet, then biked to more 2 miles.

• I filled my glass of milk 1.5 cups then drank 1.5 cups... it was real good...

Tags

CCSS.7.NS.A.1A

Which of the following situations combine to make zero?

• The temperature falls 10 degrees below zero and then rises 10 degrees F

• A friend borrows $20 and promises to return double the amount.

• A start-up business has income equal to its expenses.

Tags

CCSS.7.NS.A.1A

In which scenario is the total change zero?

• Brenda gave Mrs. Mehta 4 apples. Brenda gave Ms. Ramirez 5 apples

• Xavier road the elevator up 3 floors, then walked down 3 floors

• Jason road his bike 2 miles from home, realized he forgot his wallet, then biked back home 2 miles.

• The temperature outside was 50 degrees. The temperature rose 50 degrees throughout the day

Tags

CCSS.7.NS.A.3