Rational Number Challenges: Solving Real-Life Problems

A temperature dropped from 5 degrees to -3 degrees. How many degrees did it drop?

• 8 degrees

• 4 degrees

• 10 degrees

• 6 degrees

Sarah had $20. She spent $15. How much money does she have left?

• $0

• $15

• $10

• $5

A submarine is at a depth of -50 meters. It rises 20 meters. What is its new depth?

• 0 meters

• -40 meters

• -60 meters

• -30 meters

Tom scored -5 points in a game and then scored 10 points in the next game. What is his total score now?

• 15

• 10

• 5

• -5

A bank account has a balance of -$30. If $50 is deposited, what is the new balance?

• $50

• $20

• $30

• -$20

The elevation of a mountain is 300 meters above sea level. A valley is 150 meters below sea level. What is the difference in elevation?

• 300 meters

• 450 meters

• 150 meters

• 600 meters

A car travels 60 miles north and then 25 miles south. How far is the car from its starting point?

• 70 miles

• 35 miles

• 45 miles

• 50 miles

A plant grows 2.5 inches in the first week and then shrinks by 1.2 inches the next week. What is its total growth?

• 1.5 inches

• 1.3 inches

• 0.8 inches

• 2.0 inches

A hiker descends 150 feet into a canyon and then climbs back up 75 feet. What is the hiker's current elevation relative to the starting point?

• 0 feet

• -75 feet

• -75 inches

• -150 feet

A store had a sale and reduced the price of an item from $45 to $30. How much was the discount?

• $10

• $20

• $25

• $15