Multiplying with Base Ten Blocks

The video tutorial teaches how to multiply by multiples of 10 using base 10 blocks. It begins with a problem involving crayons and explains the concept of multiples of 10. The tutorial demonstrates how to use base 10 blocks to visualize multiplication, emphasizing the importance of exchanging 10 tens for 100. Examples include calculating 3 times 60 and 7 times 20. The lesson concludes by solving the initial crayon problem, reinforcing the multiplication technique.

How many crayons does one box contain?

• 8 crayons

• 100 crayons

• 30 crayons

• 240 crayons

What is the first step in visualizing multiplication with base 10 blocks?

• Adding the numbers

• Grouping the tens

• Exchanging tens for hundreds

• Multiplying the numbers

What does a multiple of 10 mean?

• A number less than 10

• A number divided by 10

• A number added to 10

• A product of a number multiplied by 10

What should you do with ten tens in base 10 blocks?

• Add them to get 1000

• Keep them as they are

• Exchange them for a 100 block

• Divide them by 10

Why is it important to exchange ten tens for a hundred in base 10 blocks?

• To simplify counting

• To make it more complex

• Because it's a rule

• To decrease the value

What is the product of 3 and 60 using base 10 blocks?

• 120

• 160

• 140

• 180

How many groups of two tens are needed to visualize 20?

• 10 groups

• 7 groups

• 20 groups

• 2 groups

What is the product of 7 and 20?

• 140

• 100

• 120

• 160

How many crayons are in 8 boxes if each box has 30 crayons?

• 300 crayons

• 240 crayons

• 80 crayons

• 180 crayons

What did we learn about multiplying by a multiple of 10?

• It's the same as division

• It's done by adding

• It involves exchanging blocks

• It can only be done with even numbers