Quick Check # 1 Additive Inverse (NR 1.1) for practice

Which situation describes an overall change of 0?

• Kyle climbs up 5 rungs on a ladder, then down 6, then up 2.

• Kyle climbs down 7 rungs on a ladder, then up 3, then up 4 more.

• Kyle climbs up 4 rungs on a ladder, then up 3 more, then down 8.

• Kyle climbs down 6 rungs on a ladder, then up 3, then down 3.

Tags

CCSS.7.NS.A.3

The outside air temperature was -10 degrees Celsius before sunrise. After the sun rose, the temperature rose by the additive inverse. Which equation would represent this situation?

• -10 + 10 = 0

• -10 + (-10) = 0

• -10 - (-10) = -20

• -10 + 0 = -10

Tags

CCSS.7.NS.A.1B

For which situation do the quantities combine to make 0?

• A banker deposits $80 into his account before he withdraws $120.

• A banker deposits $30 into his account and then deposits $30 more.

• A banker deposits $150 into his account before he withdraws $150.

• A banker deposits $90 into his account before he withdraws $75.

Tags

CCSS.7.NS.A.1B

For which situation do the quantities combine to make 0?

• A. A scuba diver descends 31.5 meters and then ascends 17.2 meters.

• B. A scuba diver descends 24.8 meters and then descends 24.8 more meters.

• C. A scuba diver descends 14.75 meters and then ascends 19.5 meters.

• D. A scuba diver descends 26.25 meters and then ascends 26.25 meters.

Tags

CCSS.7.NS.A.3

Which of the following best describes a situation in which the sum of a number and its opposite is equal to 0?

• Sonya spends 8 hours volunteering for $0 per hour, for a total pay of $0.

• Doug has 3 swings his first time at bat in a baseball game and another 3 swings his second time at bat, but makes a total of 0 hits.

• Yvette overdrew her account with a check, making her balance -$10. She deposited $10, bringing her balance to $0.

• The lowest temperature in Ji-Yeon's town last year was -4 degrees Fahrenheit (°F), and the lowest temperature this year was also -4°F, which is a difference of 0°F.

Tags

CCSS.7.NS.A.1B

For which situation do the quantities combine to make 0?

• Yvonne is given $15 as a gift and then spends $15 at the store.

• Yvonne is given $20 as a gift and then spends $25 at the store.

• This would result in a negative change in how much money she has.

• Yvonne is given $50 as a gift and then spends $30 at the store.

Tags

CCSS.7.NS.A.1A

For which situation do the quantities combine to make 0?

• A football team gains 36 yards and then gains 36 more yards.

• A football team gains 10 yards and then loses 10 yards.

• A football team gains 12 yards and then loses 18 yards.

• A football team gains 17 yards and then loses 2 yards.

Tags

CCSS.7.NS.A.1A

For which situation do the quantities combine to make 0?

• A rock climber climbs upward 56 1/2 feet and then repels downward 56 1/2 feet.

• A rock climber climbs upward 94 1/2 feet and then repels downward 102 1/2 feet.

• A rock climber climbs upward 85 1/2 feet and then repels downward 89 1/2 feet.

• A rock climber climbs upward 77 1/2 feet and then climbs upward 77 1/2 more feet.

Tags

CCSS.7.NS.A.1B

Which of the following situations results in a total change of 0?

• A hiker descends 12 meters and then descends 8 meters.

• A hiker climbs up 20 meters and then descends 20 meters.

• A hiker climbs up 25 meters and then descends 15 meters.

• A hiker climbs up 15 meters and then climbs up 10 meters.

Tags

CCSS.7.NS.A.1A

For which scenario do the quantities combine to make 0?

• A student earns 30 points and then loses 10 points.

• A student borrows 40 points from a friend and then returns 40 points.

• A student loses 25 points and then loses 25 more points.

• A student earns 50 points and then loses 20 points.

Tags

CCSS.7.NS.A.1A