Introduction to fractions

1. Guess the Lesson
If there are 3 friends, and they want to eat 1
pizza. How can the share it equally?

2. NOW
Who Guessed the Lesson?

3. Fraction

4. Objectives
• 3.NF.1.
• Identify fractions as a part of a group or a whole and
name them.
• Recognize fractions by real life examples

5. Fraction
• It represents a part of a group or a whole.

6. Fraction as a part of a
whole
A pizza is divided into 3 equal parts; one part
has olives; another one has mushrooms; the last
one has peppers.
What is the fraction of the piece that has
olives?

7. Fraction as a part of a
whole

9. How to name a fraction?

11. Example-2-
A Rectangle was divided into 4 equal parts;
1 part is white and the rest are gray.
• What is the fraction of the white part?
• What is the fraction of the gray parts?
(Ask the students to discuss the
answer in pairs)

12. Example-2-

13. Fraction as a part of a group
• Example-1-
A group of 9 stars; 4 of them are colored.
• What is the fraction of the colored stars?
• What is the fraction of the white stars?
(Ask the students to discuss the answer in pairs)

14. Fraction as a part of a group

15. Activity
• The class would be divided into 3 groups
A-B-C
• Each group will get a group of 8 magnetic
buttons.
• Then each group record the fraction of
each color
• The groups will exchange some buttons,
then they will record the new fractions
again.

16. Equivalent Fractions
• Fractions that have the same value, size,
or amount, even though they look
different.

17. If you will eat any one of them, you will
eat the same amount of the pizza.

18. Equivalent Fractions
• Mia ate 2/4 of a pizza, Sara ate ½ of a
another pizza of the same size. Did Mia
and Sara eat the same amount?Why?

20. Activity
• Find 2 Equivalent fractions to 1/3

21. Thank you