$G4 7.2 fractions as operators$

G4 7.2 fractions as operators

Presentation

•

Mathematics

•

4th Grade

•

Practice Problem

•

Easy

Khairunnisa Fithriani

Used 6+ times

FREE Resource

13 Slides • 13 Questions

Fractions as Operators

Poll

Have you ever heard the word operators?

YES

Poll

How about Unit Fraction?

YES

What we are going to learn today?

Describe a unit fraction as a fraction with a numerator of 1
Use a unit fraction as an operator, for example, find one-fifth of a quantity by dividing by 5 and find one-sixth of a quantity by dividing by 6.

Operators

Unit Fractions

Multiple Choice

When you use fraction as operator. The fractions will act like ....

Addition

Subtraction

Division

Multiplication

Multiple Select

Which of the following fractions is NOT an example of unit fractions?

(you can choose more than one answer)

$\frac{1}{4}$

$\frac{2}{3}$

$\frac{1}{7}$

$\frac{6}{9}$

Poll

Now, do you know what does unit fraction and operators mean?

YES

Multiple Choice

How much butter needed if I want to make only 8 gingerbread?

20 g

80 g

10 g

40 g

How can you find one-third of a quantity?

Divide the number of the ball by 3

How many minutes are in one-third of an hour?

20 minutes

Can you answer the questions about fractions as operator now?

Poll

Are you ready?

YES

Fill in the Blanks

Draw

Complete these diagrams to find fractions of amounts of money.

Poll

Which would you rather have: $\frac{1}{2}$ of $15 or $\frac{1}{4}$ of $40?

$\frac{1}{2}$ of $15

$\frac{1}{4}$ of $40

Do you have any questions?

Be ready because tomorrow we are going to have some exercises on this topic and please study more at home!

Thank you!

Fractions as Operators

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