Lesson: Repeated Addition with Arrays Mathematics • 2nd Grade

In this lesson, we will learn how to make arrays with at most 5 rows or columns and write repeated addition sentences to describe the total number of objects.

Lesson Plan

Students will be able to

write repeated addition sentences for an array,
identify the two possible repeated addition sentences to show the total number of objects in an array,
find the total number of objects in an array using a repeated addition sentence.

Lesson Playlist

02:37
01:50
00:58

Lesson Worksheet

Q1:

Find an addition sentence that tells you how many bears there are.

Q2:

Matthew and Elizabeth have been asked to count the number of boats.

Matthew says they can do .

Elizabeth says they can do .

Who is correct?

Q3:

Jacob and Emma are counting the number of basketballs.

Emma says that there are basketballs.

Jacob says there is another way to count the basketballs. What is it?