Mastering Integer Word Problems

The video tutorial covers the application of adding and subtracting integers in real-world scenarios. It begins with an introduction to integers, followed by several examples involving money, elevation, and temperature changes. Each example demonstrates how to identify key information, convert it into mathematical expressions, and solve the problems using integer operations. The tutorial emphasizes the importance of breaking down problems into manageable steps and sometimes drawing pictures to aid understanding.

What is an integer?

• A complex number

• A fraction

• A whole number and its opposite

• A decimal

If Tomi is $3 in debt and receives $18, how much money does he have now?

• $15

• $3

• $21

• $-15

What does the word 'debt' signify in a math problem?

• A negative number

• Zero

• A fraction

• A positive number

You are at 1100 feet elevation and descend 560 feet. What is your new elevation?

• 540 feet

• 560 feet

• 1640 feet

• 1100 feet

What does the word 'descend' indicate in a math problem?

• Subtraction

• Addition

• Division

• Multiplication

If you are at 5000 feet and need to reach a peak of 8300 feet, how much higher do you need to go?

• 1300 feet

• 8300 feet

• 5000 feet

• 3300 feet

What is the first step in solving a word problem according to the video?

• Draw a picture

• Solve the problem

• Convert to math

• Circle or underline keywords

If you start at a 100-foot sand dune, run down to the beach, and swim down 10 feet, what is your change in elevation?

• 110 feet

• 10 feet

• 90 feet

• 100 feet

The temperature is -7 degrees, it goes down 4 degrees and then up 7 degrees. What is the final temperature?

• -11 degrees

• 4 degrees

• -4 degrees

• 0 degrees

If you have $10, are $25 in debt, and receive $2, how much money do you have now?

• $13

• $-23

• $-13

• $-15