Multiplication and Addition Concepts

The video tutorial explains how to multiply 623 by 54 using a vertical method. It begins by setting up the problem, then demonstrates multiplying by 4 and 50 separately, and finally adds the results to find the product, 33,642.

What is the first step in solving the multiplication problem 623 times 54?

• Divide the numbers

• Write the problem vertically

• Write the problem horizontally

• Estimate the result

When multiplying 623 by 4, what is the result of 4 times 3?

• 12

• 11

• 13

• 10

What should you remember when multiplying by 5 in the problem 623 times 54?

• You are actually multiplying by 50

• You should add 5 to the result

• You should subtract 5 from the result

• You should divide by 5

What is the first digit you write when multiplying 5 by 3 in the tens column?

• 5

• 9

• 3

• 7

What is the sum of 2 plus 0 in the final addition step?

• 2

• 0

• 1

• 3

What is the result of adding 9 plus 5 in the final sum?

• 13

• 12

• 14

• 15

What is the final product of 623 times 54?

• 33,542

• 33,642

• 33,642

• 32,642

What is the result of 1 plus 4 plus 1 in the final addition?

• 6

• 5

• 8

• 7