AIM Math: Dividing Decimals Lesson

Welcome to
AIM Math

Mrs. Gamlin

WARM-UP QUESTION

LOADING . . .

Learning Target

◈ Divisor

◈ Dividend

◈ Quotient

◈ Remainder

Vocabulary

Target

◈ I can solve problems

involving division of
decimals.

Check out these terms!

Quotient

Divisor

Dividend

Division Box

Divisor- The number you want to divide by.

Dividend- The number you want to divide up.

Quotient-The answer after you divide one

number by another.

Dividing Decimals

When a division problem has a decimal in
the dividend, follow these steps:

1.

Locate the decimal in the dividend.

2.

Move the decimal straight up onto the division box.

3.

Ignore the decimal.

4.

Divide normally.

4 83.48

Your Turn!

Multiple Choice

$$15.75\ \div\ 3\ =$$

• 5.25
• 6.50
• 4.25
• 3.75

Multiple Choice

$$51.5\ \div\ 5\ =$$

• 15.2
• 7.8
• 3.5
• 10.3

Closing Problem

Multiple Choice

$$52.5\ \div\ 7\ =$$

• 75

• 87

• 8.7

• 7.5

Welcome to
AIM Math

Mrs. Gamlin

WARM-UP QUESTION

LOADING . . .

Learning Target

◈ Divisor

◈ Dividend

◈ Quotient

◈ Remainder

Vocabulary

Target

◈ I can solve problems

involving division of
decimals.

Check out these terms!

Quotient

Divisor

Dividend

Division Box

Divisor- The number you want to divide by.

Dividend- The number you want to divide up.

Quotient-The answer after you divide one

number by another.

Let’s look at another one!
Remember:
1. Locate the decimal.
2. Move the decimal up.
3. Ignore the decimal.
4. Divide normally.

11 9.5

*Keep dividing by adding zeros to the
dividend (at end of decimal number)
until there is no remainder. You may
get a repeating pattern.

Your Turn!

Multiple Choice

$$4.878\ \div\ 15\ =$$

• 0.256
• 0.412
• 0.573
• 0.3252

Learning Target

◈ Divisor

◈ Dividend

◈ Quotient

◈ Remainder

Vocabulary

Target

◈ I can solve problems

involving division of
decimals.

Dividing Decimals

When a division problem has a decimal in
the divisor, follow these steps:

1.

Locate the decimal in the divisor.

2.

Move the decimal to the right to create a whole number.

3.

Move the decimal in the dividend the
same number of places to the right.

4.

Move the decimal up, ignore the
decimal, and divide normally.

0.22 9.075

Your Turn!

Multiple Choice

$$3.4\ \div\ 0.8\ =$$

• 3.8
• 5.1
• 4.25
• 2.75

Multiple Choice

$$36.98\ \div\ 4.3\ =$$

• 6.7
• 8.6
• 4.5
• 10.2

Closing:

Annette had a 24-karat
gold necklace with a mass
of 2.3 grams. She sold it
for $123.51. What was the
price per gram of her
necklace?

Multiple Choice

Annette had a 24-karat gold necklace with a mass of 2.3 grams. She sold it for $123.51. What was the price per gram of her necklace?

• $123.51 / 24 grams = $8.50 per gram
• $123.51 / 2.3 grams = $60.00 per gram
• $123.51 / 24 grams = $5.15 per gram
• $123.51 / 2.3 grams = $53.70 per gram