Mastering Multiplication and Division with Powers of Ten

The video tutorial explains how to multiply and divide numbers by powers of 10 using the 'Mr D' and 'Mr dull' methods. It covers moving the decimal point to the right for multiplication and to the left for division, depending on the number of zeros in the power of 10. The tutorial includes practical examples, such as calculating attendance and dividing earnings, to illustrate these concepts.

What does Mr. Dell help us with?

• Solving algebraic equations

• Adding and subtracting by powers of 10

• Finding the square root of numbers

• Multiplying and dividing by powers of 10

When multiplying by 100, how many places do you move the decimal to the right?

• One place

• Two places

• Four places

• Three places

What does 'Dull' stand for in the context of dividing by powers of 10?

• Divide to the left

• Multiply to the right

• Divide to the right

• Multiply to the left

If you multiply 7.1 by 1000, what is the result?

• 71

• 710

• 7100

• 71000

What is the result of multiplying 0.93 by 100?

• 0.093

• 9.3

• 93

• 930

What is the result of dividing 12.6 by 10?

• 0.126

• 126

• 12.6

• 1.26

How many places do you move the decimal to the left when dividing by 1000?

• Three places

• Two places

• Four places

• One place

If you divide 9200 by 1000, what is the result?

• 0.92

• 9.2

• 92

• 920

How many fans would the Chicago Cubs expect after 10 games if their attendance per game is 42,000?

• 420,000

• 42,000,000

• 4,200,000

• 42,000

If 10 children split $485 evenly, how much does each child get?

• $4.85

• $48.50

• $485.00

• $4850.00