What is an Integer?

This video tutorial introduces integers, explaining their definition and types, including positive, negative, and zero. It explores real-life applications of integers, such as in money and temperature, and distinguishes integers from non-integers like fractions and decimals. The video also covers simplifying numbers to identify integers and provides practical examples to reinforce understanding.

Which of the following is NOT an integer?

• 5

• 1/2

• 0

• -3

What is the integer representation of the fraction -6/3?

• -2

• 2

• -3

• 3

Which of the following temperatures is an integer?

• 39.9 degrees

• 40.7 degrees

• 40 degrees

• 42.5 degrees

If a hot air balloon ascends 10 miles, what integer represents this change?

• 20

• 0

• -10

• 10

What does it mean if your bank account is 'in the red'?

• You have a positive balance

• You have no money

• You have a zero balance

• You owe money

If you deposit $100 into your bank account, what integer represents this transaction?

• -100

• 0

• 100

• 200

What integer represents a temperature drop of 22 degrees?

• -22

• 22

• 0

• 2

Which of the following is a true statement about integers?

• Decimals are integers

• Zero is an integer

• Negative numbers are not integers

• Fractions are integers

What integer represents a withdrawal of $20 from an ATM?

• -20

• 200

• 20

• 0

Which of the following is neither positive nor negative?

• 2

• 0

• -1

• 1