Multiplication Strategies and Concepts

This video tutorial teaches how to multiply fluently using the half of ten strategy. It begins with a review of tens quick facts and addition doubles, which are foundational for understanding halves. The tutorial then demonstrates how to apply the half of ten strategy to solve multiplication problems efficiently, using examples like 5 times 4, 5 times 8, and 3 times 5. The lesson emphasizes quick and correct problem-solving by leveraging known multiplication facts and the concept of halves.

What is the main strategy introduced in this lesson for multiplying numbers?

• Using the double of ten strategy

• Using the half of ten strategy

• Using the triple of ten strategy

• Using the square of ten strategy

What is the product of three times ten?

• 40

• 20

• 50

• 30

How does knowing addition doubles help in the half of ten strategy?

• It helps in understanding subtraction by ten.

• It helps in understanding division by ten.

• It helps in understanding multiplication by ten.

• It helps in understanding the concept of halves.

What is half of 40?

• 15

• 30

• 20

• 25

What is the result of five times four using the half of ten strategy?

• 10

• 15

• 20

• 25

What is the product of ten times eight?

• 90

• 60

• 70

• 80

How many groups of eight are there in ten times eight?

• 5

• 8

• 10

• 12

What is the result of five times eight using the half of ten strategy?

• 30

• 35

• 45

• 40

What is the product of three times five using the half of ten strategy?

• 10

• 12

• 15

• 18

What is half of 30?

• 10

• 12

• 15

• 18