Lesson: Identifying Odd and Even Numbers: Additon Sentences Elementary School • Mathematics • 2nd GradeMathematics
In this lesson, we will learn how to write expressions of the form a+a or a+a+1 to prove whether a number up to 20 is even or odd.
Sample Question Videos
Is the answer to the following sum odd or even: ?
Let us think about even numbers. 2, 4, 6, 8, and 10 are examples of even numbers. Notice that they are all doubles.
Which of the following sums has an answer that is an even number?
State whether the answer to the sum is even or odd: .