Real-World Applications of Basic Arithmetic

The video tutorial covers a series of math problems involving integers and rational numbers. It begins with a problem about a bird's height change, followed by Mariah's debt repayment, Jake's hiking distance, Sanji's race, Mr. Henderson's bank account balance, and a temperature change scenario. Each problem is solved using number lines and basic arithmetic operations, emphasizing the use of positive and negative numbers in real-world contexts.

A bird is perched at 15.5 feet and dives down 6 feet. What is its new height above the ground?

• 7.5 feet

• 9.5 feet

• 8.5 feet

• 10 feet

Mariah owes her grandfather $2.25 and pays back $1.50. How much does she still owe?

• $0.75

• $1.25

• $0.50

• $1.00

Jake hikes 1.6 miles on a 4.2-mile trail. How far is he from the top of the canyon?

• 3.2 miles

• 2.6 miles

• 2.8 miles

• 3.6 miles

Sanji runs back 0.1 miles to help her friend. How far is she from the finish line now?

• 0.6 miles

• 0.5 miles

• 0.3 miles

• 0.4 miles

Mr. Henderson has $200 and spends $317.25. What is his new account balance?

• -$100.00

• -$117.25

• -$120.00

• -$115.00

If the temperature is -3 degrees and falls by 4 degrees, what is the new temperature?

• -5 degrees

• -6 degrees

• -8 degrees

• -7 degrees