This lesson teaches how to multiply numbers by multiples of 10 using arrays. It explains the concept of multiples of 10 and arrays, and demonstrates multiplication problems such as 6 times 30, 5 times 20, 30 times 7, and 50 times 6. The lesson emphasizes the arrangement of rows and columns in arrays to simplify multiplication, and concludes with a summary of the techniques learned.

What is a multiple of 10?

• A number that can be divided by 5

• A number that is a product of 10 and another number

• A number that is less than 10

• A number that is a product of 5 and another number

How can 6 times 30 be represented using arrays?

• 3 rows of 6

• 30 rows of 6

• 6 rows of 30

• 6 rows of 3

What is the result of 5 times 20 using arrays?

• 50

• 150

• 100

• 200

How can 30 times 7 be rewritten for easier calculation?

• 7 times 30

• 3 times 7

• 30 times 3

• 7 times 3

What is the final result of 6 times 50 using arrays?

• 350

• 150

• 250

• 300