The Array Model

The Array Model

During this lesson, you will learn how to use the array model to solve word problems with multiplication and division.

Standard, Learning Target, Success Criteria

• MGSE3.OA.3: USE multiplication and division within 100 to SOLVE word problems in situations involving equal groups and arrays

• Students will be able to use the array model to multiply and divide.

• I am successful when I can use the array model to solve multiplication and division word problems.

What is in array model?

• Arrays are used to represent multiplication and division

• The first factor shows how many rows

• The second factor shows how many columns

• Rows x columns = product

Multiple Choice

POP QUIZ: How many rows are shown on the array?

• 6 rows

• 2 rows

• 3 rows

• 8 rows

Multiple Choice

How many columns are shown in this array?

• 9

• 3

• 5

• 6

Example of Array Model

How can I represent this array as a multiplication equation?

Remember: Rows x Columns

Multiple Choice

How can I represent this array model as a multiplication equation?

• 6 + 6 = 12

• 3 x 4 = 12

• 6 + 3 = 9

• 6 x 2 = 12

Multiple Choice

Aaron says that he arranged his star collection with 4 rows and 3 stars on each row . Which array model fits the description?

Open Ended

Represent this array as a multiplication equation.