Understand Division with Unit Fractions (Models)

 Which model represents $\frac{1}{4}\div4$ ?

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 Which expression is equal to $\frac{1}{4}\div4$ ?

•  $\frac{1}{4}+\ 4\ =\ 4\ \frac{1}{4}$  

•  $\frac{1}{4}\times\ \frac{1}{4}=\frac{1}{16}$  

•  $\frac{1}{4}+\ \frac{1}{4}=\ \frac{1}{8}$  

•  $4\ -\ \frac{1}{4}=\ 3\ \frac{3}{4}$  

Which model best represents the situation below:

Mr. Hahn wants to split a 3 feet piece of wood for an art project. He is cutting the wood into sections of ⅕ of a foot . How many ⅕ pieces can Mr. Hahn make?

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Which equations represent the situation below: 

Mr. Hahn wants to split a 3 ft. piece of wood for an art project. He is cutting the wood into sections of  ⅕ of a foot . How many ⅕ pieces can Mr. Hahn make?

Select ALL that apply.

•  $3\ \times\ \frac{1}{5}=\ \frac{3}{5}$  

•  $3\ \div\frac{1}{5}=\ 15$  

• 3 x 5 = 15

• 3 + 5 = 8

 What is ⅓ split into 4 equal parts?

 $\frac{1}{3}\div4=$  

Use a visual model like number 1, to help you out.

Type in just the fraction or number, no words
ex---> 1/3

Multiply. Cross implify

• 5 / 9

• 3/10

• 5 / 20

• 23 / 20

Find the difference.
 $10\ -\frac{3}{5}=$  

•  $\frac{2}{5}$  

•  $9\ \frac{2}{5}$  

•  $9\ \frac{7}{10}$  

•  $9\ \frac{1}{10}$  

Answer explanation

Example:

Find the product.

9.3 x 4.1

• 38.13

• 3.813

• 38.25

• 3.825

Answer explanation

Example

The fish tank in the library is 4 feet long, 5 feet wide, and 2 feet deep. What is the volume of the fish tank?

• 11 ft³

• 22 ft³

• 40 ft³

• 28 ft³

Answer explanation

Example

10 x 10 x 10 x 10 x 10 can be written as 10 to what power?

• 10²

• 10³

• 10⁴

• 10⁵

Answer explanation

Example