Exploring Multiplication with Arrays

The video tutorial introduces multiplication strategies using arrays. It explains how to interpret multiplication facts as groups of objects and demonstrates how to use arrays to solve these facts. The tutorial includes practice exercises for writing multiplication facts and drawing arrays. It concludes with a review of key concepts, emphasizing the importance of counting rows and pieces in each row to solve multiplication problems.

What is the correct way to read a multiplication fact?

• Blank groups of blank pieces

• Blank plus blank pieces

• Blank minus blank pieces

• Blank divided by blank pieces

Tags

CCSS.3.OA.A.1

What does an array represent in multiplication?

• Subtraction of groups

• Equal groups of objects in rows and columns

• Division of groups

• Addition of rows and columns

Tags

CCSS.3.OA.A.1

How do you find the product using an array?

• Count the columns first, then the rows

• Multiply the number of rows by the number of columns

• Add the number of rows to the number in each row

• Count the rows first, then the number in each row

Tags

CCSS.3.OA.A.1

What is the first step in solving an array?

• Count the pieces in each row

• Count the total number of pieces

• Multiply the rows by the columns

• Count the number of rows

Tags

CCSS.3.OA.A.1

What is the multiplication fact for an array with 4 rows and 4 pieces in each row?

• 4 + 4 = 8

• 4 * 4 = 8

• 4 + 4 = 16

• 4 * 4 = 16

Tags

CCSS.3.OA.A.1

For an array showing 3 rows of 6 pieces each, what is the total number of pieces?

• 3

• 9

• 18

• 36

Tags

CCSS.2.OA.C.4

How many rows and pieces per row are needed for a multiplication fact of 6 * 7?

• 7 rows of 6 pieces each

• 7 rows of 7 pieces each

• 6 rows of 7 pieces each

• 6 rows of 6 pieces each

Tags

CCSS.3.OA.A.1

What is the product of 3 * 5 when drawing an array?

• 18

• 10

• 8

• 15

Tags

CCSS.3.OA.A.1

What does the first factor in a multiplication sentence indicate?

• The total number of pieces

• The number of rows

• The number of pieces in each row

• The number of columns

Tags

CCSS.3.OA.A.1

Why is it important to practice drawing arrays for multiplication facts?

• To visualize multiplication facts

• To understand division better

• To improve subtraction skills

• To learn addition

Tags

CCSS.4.NBT.B.5