Even and Odd Numbers: Determining by the Ones Place

This video tutorial teaches how to determine if a number is even or odd by examining the digit in the ones place. It begins with an introduction to the concept of even and odd numbers, followed by an explanation of place value using the number 42. The tutorial then provides examples of identifying even and odd numbers from 0 to 9, using unifix cubes to illustrate the concept of pairing. It continues with examples involving larger numbers, such as 10, 11, 15, and 18, demonstrating how the ones place determines the number's parity. The video concludes with a summary of the key points, emphasizing the importance of the ones place in identifying even and odd numbers.

What determines if a number is even or odd?

• The total number of digits

• The digit in the ones place

• The digit in the hundreds place

• The digit in the tens place

Which of the following numbers is odd?

• 2

• 4

• 5

• 6

How many pairs can be made with the number 8?

• 5 pairs with 1 left over

• 2 pairs with 4 left over

• 4 pairs with no leftovers

• 3 pairs with 2 left over

What is the ones place digit of the number 11?

• 3

• 2

• 0

• 1

Is the number 15 even or odd?

• Even

• Odd

• Neither

• Both

Which number is even: 12, 13, 15, or 17?

• 17

• 12

• 13

• 15

If a number ends in 8, is it even or odd?

• Neither

• Odd

• Both

• Even