Understanding Division by Powers of Ten

This video tutorial explores the concept of dividing by powers of ten. It begins by explaining how to raise ten to various powers, noting the pattern of one followed by zeros. The lesson then transitions to division problems involving powers of ten, demonstrating how to simplify these calculations. A shortcut is introduced for dividing by powers of ten, which involves moving the decimal point to the left. The tutorial also covers dividing decimals by powers of ten, providing examples and emphasizing the importance of understanding the direction of decimal movement. The video concludes with an advanced example, reinforcing the learned concepts.

What is the result of ten raised to the power of three?

• 1,000

• 100

• 10

• 10,000

Tags

CCSS.5.NBT.A.2

What is the general rule for the number of zeros in ten raised to the power of n?

• n+1 zeros

• 2n zeros

• n zeros

• n-1 zeros

Tags

CCSS.5.NBT.A.2

When dividing 9,200 by ten squared, what is the result?

• 920

• 92

• 9,200

• 9.2

Tags

CCSS.5.NBT.A.2

What is the shortcut for dividing a number by a power of ten?

• Add zeros to the right

• Multiply by ten

• Move the decimal point to the left

• Subtract zeros from the left

Tags

CCSS.5.NBT.A.2

How many places do you move the decimal point when dividing by ten to the fourth power?

• One place

• Four places

• Two places

• Three places

Tags

CCSS.5.NBT.A.2

What is the result of 17.8 divided by ten to the first power?

• 178

• 0.178

• 17.8

• 1.78

Tags

CCSS.5.NBT.A.2

If you divide 136.29 by 1,000, what is the result?

• 1.3629

• 0.13629

• 13.629

• 136.29

Tags

CCSS.5.NBT.A.2

When dividing by ten to the seventh power, how many zeros should be added to the left of the number?

• One

• Three

• Five

• Seven

Tags

CCSS.5.NBT.A.2

What is the result of 48,136.29 divided by ten million?

• 48.13629

• 4.813629

• 0.4813629

• 0.004813629

Tags

CCSS.5.NBT.A.2

What happens to the size of a number when it is divided by a positive power of ten?

• It stays the same

• It becomes negative

• It gets smaller

• It gets larger

Tags

CCSS.5.NBT.A.2