Understanding Even and Odd Numbers

This video tutorial explains the concept of even and odd numbers using counters and pairs. It demonstrates how even numbers can be represented as the sum of two equal add-ins and how odd numbers can be seen as doubles plus one. The video also covers counting by twos to identify even numbers and includes a word problem to apply the concept of equal groups. The lesson concludes with a preview of the next topic on place value.

What is an even number?

• A number that is always odd

• A number that can be divided into two equal groups with no leftovers

• A number that always has one leftover

• A number that cannot be divided into equal groups

How can you represent an even number using add-ins?

• As the sum of two different add-ins

• As the sum of one add-in

• As the sum of two equal add-ins

• As the sum of three add-ins

What is a characteristic of an odd number?

• It can be divided into two equal groups with no leftovers

• It can be divided into three equal groups

• It always has one leftover when divided into two groups

• It is always greater than 10

What are doubles facts?

• Facts about numbers that can be expressed as the sum of two equal add-ins

• Facts about numbers that are prime

• Facts about numbers that are always odd

• Facts about numbers that can be divided by three

How can you determine if a number is even by counting?

• By counting by threes

• By counting by fives

• By counting by sevens

• By counting by twos

What does skip counting by twos help identify?

• Prime numbers

• Odd numbers

• Even numbers

• Composite numbers

How can odd numbers be represented?

• As four equal groups

• As three equal groups

• As two equal groups plus one

• As two equal groups

What is the doubles fact for the number 15?

• 5 plus 5 plus 1

• 7 plus 7 plus 1

• 6 plus 6 plus 1

• 8 plus 8 plus 1

In the word problem, how many blocks do Emma and Tala each live from school?

• Two blocks

• Three blocks

• Five blocks

• Four blocks

What is a key takeaway about even numbers?

• They are always greater than odd numbers

• They can be written as the sum of two equal add-ins

• They always have one leftover

• They can be divided into three equal groups