Understanding Integers

In this video, Mr. J explains what integers are, highlighting that they include both positive and negative whole numbers, as well as zero. He provides examples of integers, such as 1, 2, -1, -2, and larger numbers like -1,358 and 999,450. Mr. J emphasizes that zero is an integer, while fractions and decimals are not. The video concludes with a summary of integers, examples, and counterexamples to aid understanding.

What is an integer?

• A number that can be positive, negative, or zero, but not a fraction or decimal.

• Any number that is a fraction or decimal.

• A number that is only negative.

• Any number that is positive.

Which of the following is a positive integer?

• 3.5

• 5

• 0

• -3

Is zero considered an integer?

• Zero is only a positive integer.

• No, zero is not an integer.

• Yes, zero is an integer.

• Zero is only a negative integer.

Which of the following is NOT an integer?

• 0

• 2.5

• -12

• 7

Why are fractions not considered integers?

• Because they include zero.

• Because they can be negative.

• Because they are not whole numbers.

• Because they can be positive.

Which of the following is an example of a non-integer?

• 100

• -50

• 0.75

• 0

What is the main takeaway about integers from the video?

• Integers can be fractions.

• Integers include both positive and negative whole numbers, including zero.

• Integers are only positive numbers.

• Integers are only negative numbers.