Multiplication Concepts and Base Facts

This video tutorial explains how to use pictures to multiply numbers by groups of 10, 100, and 1,000. It demonstrates the concept of base facts and how to add zeros to the answer based on the number of zeros in the multiplication problem. The tutorial covers examples of multiplying four groups of 10, five hundreds, and three thousands, emphasizing the pattern of adding zeros to the base fact result.

What is the main focus of the video tutorial?

• Using pictures to help multiply by groups of 10

• Using pictures to divide numbers

• Using pictures to subtract numbers

• Using pictures to add numbers

What is the result of multiplying 4 by 10?

• 14

• 40

• 400

• 4

How many zeros are added to the base fact when multiplying 4 by 10?

• One zero

• Two zeros

• No zeros

• Three zeros

What is the base fact for the multiplication 4 * 10?

• 4 * 2

• 4 * 5

• 4 * 1

• 4 * 0

What is the multiplication problem for four groups of 10?

• 4 * 1,000

• 4 * 100

• 4 * 10

• 4 * 1

What is the base fact for the multiplication 4 * 10?

• 4 * 2

• 4 * 5

• 4 * 1

• 4 * 0

What is the result of multiplying 5 by 100?

• 50

• 5,000

• 5

• 500

How many zeros are in the answer when multiplying 5 by 100?

• One zero

• Two zeros

• Three zeros

• No zeros

What is the base fact for the multiplication 5 * 100?

• 5 * 0

• 5 * 1

• 5 * 2

• 5 * 10

What is the multiplication problem for five hundreds?

• 5 * 1

• 5 * 1,000

• 5 * 100

• 5 * 10