Dividing Decimals: Key Concepts and Techniques

What is the essential question for this lesson?

• How can you multiply decimals?

• How can you place the decimal point in the quotient?

• How can you add decimals?

• How can you subtract decimals?

What happens to the quotient when you multiply both the divisor and the dividend by the same power of 10?

• The quotient becomes zero.

• The quotient halves.

• The quotient stays the same.

• The quotient doubles.

If you multiply 6 by 10 and 3 by 10, what is the new division problem?

• 60 divided by 3

• 6 divided by 30

• 60 divided by 30

• 600 divided by 30

How many stickers can Matthew buy if he has 72 cents and each sticker costs 8 cents?

• 7 stickers

• 8 stickers

• 9 stickers

• 10 stickers

What do you multiply hundredths by to get a whole number?

• 1000

• 100

• 10

• 1

In the example problem, what is 56 hundredths divided by 7 tenths?

• 8

• 0.8

• 5.6

• 0.56

What is the first step in dividing 56 hundredths by 7 tenths?

• Multiply the divisor by a power of 10 to make it a whole number

• Divide directly

• Subtract the numbers

• Add the numbers

When estimating, to which place value should you round 3.72?

• Thousandths

• Ones

• Hundredths

• Tenths

What happens to the decimal point when you multiply by 10?

• It moves one place to the right

• It stays the same

• It moves one place to the left

• It disappears

How can you use an estimate to place the decimal point in the quotient?

• By adding the estimate to the quotient

• By ignoring the estimate

• By using the estimate to determine the approximate value

• By guessing