Adding & Subtracting Rational Numbers (Word Problems)

The temperature on Sunday was -15^o C. The temperature on Monday was 2.5 degrees less than the temperature on Sunday. What was the temperature on Monday?

• -17.5^o C

• 17.5^o C

• -12.5^o C

• 12.5^o C

On a number line, what is the distance between -6.5 and 7.6?

• 1.1 units

• -1.1 units

• -14.1 units

• 14.1 units

Braeden currently has a balance of -$12. 32 in his checking account. He deposits $30. What is the balance of Braeden's checking account?

• $42.32

• $17.68

• $12.02

• $18.32

Kyle owed his sister $12.45 that he borrowed to go see a movie. He earned $7.50 mowing the neighbor's lawn. How much does Kyle still owe his sister?

• He owes her $19.95.

• He owes her $4.95.

• He owes her nothing.

• He owes her $12.45.

Which real world context could be represented by -2 + 1 + 3?

• A baby's weight decreased by two pounds, increased by one pound, and then increased by three pounds.

• A share of stock decreased by two points, decreased by one point, then increased by three points.

• The temperature increased by two degrees, increased by one degree, and then increased by three degrees.

• A bank statement shows a withdrawal of two dollars, a withdrawal of one dollar, and a deposit of three dollars.

A football team gained 6 yards on a first down, lost 15 yards on the second down, and gained 12 yards on the third down. How many yards did the team gain or lose?

• 3 yards
• 33 yards
• 21 yards
• 9 yards

The highest recorded temperature on Earth was recorded in Africa at 136°F, while the lowest was -129°F in Antarctica. What was the difference in the temperatures?

• 268^oF
• 7^oF
• -268^oF
• -7^oF

A scuba diver is at a depth of 82 feet. He descends another 19 feet. Write his new depth as an integer.

• -101 feet
• -82 feet
• 101 feet
• 19 feet

The Minnesota Vikings start the first play of the game at the 50-yard line. On the first play, the Vikings lost 20 yards. On the second play, they gained 8 yards. On the next play, the quarterback was sacked, and they lost 10 yards. What yard line are the Vikings on now? (HINT: Draw a horizontal number line)

• 48

• 28

• 50

• 25