1. Fractions
Non-unit fractions

2. Review
The whole is divided into ( ) equal parts, blue part is ( ) of the whole. 5 1 5 1 5

3. The whole is divided into ( ) equal parts, blue part is ( ) of the whole.2 1 2 1 2

4. The whole is divided into ( ) equal parts, blue part is ( ) of the whole.4 1 4 1 4

5. 1 4 1 3

6. 1 2 1 4

7. 1 4 1

8. 1 3 1 2 1 Different whole Thinking: Why we use different numbers
to represent the same red parts?

9. Thinking: Are all equal?1 2
Thinking: Are all equal? 1 — 2 1 — 2 1 — 2 1 — 2
Different whole

10. 3 2 3 1 Meter meter 1 Meter is divided into（ ） equal parts,
each part is of 1 meter.
Two equal parts are of 1 meter. 3 2
two equal parts of all 3
three equal parts altogether

11. The line is divided into ( ) equal parts, each part is of the line.10 1 10
( ) colored parts are of the line. 5 10 7 10 5 7 5 10
= five
（ ） 1 10 1 10 1 10 1 10 1 10 1 10 1 10 1 10 1 10 1 10
（ ）
( ) 1 10 7 10
= seven

12. The square is divided into ( ) equal parts, each part is of the square.
( ) colored parts are of the square. 3 4 4 1 4 2 4 = 1

13. 5 swans are divided into ( ) equal parts, the red one is of the whole.1 5
black swans are of the whole. 4 5

14. Which one is unit fraction?
Conclusion 1 4 2 4 3 4 1 10 5 10 7 10 4
They are all fractions.
Which one is unit fraction?

15. Conclusion Numerator--- 5 10 3 4
several equal parts (colored; circled) 5 10 3 4
Denominator---How many equal parts of the whole are divided

16. The whole is divided into ( ) equal parts,
Exercise1: Write down the fractions to express the colored or circled parts.
The whole is divided into ( ) equal parts,
( ) colored/circled parts are ( ) of the whole.
Traditional Chinese Food: Steamed small meat dumpling in basket
Traditional Chinese Snack: Suger-coated haws on a stick

17. What fraction can you see in this picture?
Red parts:
Green parts:
Blue part:

18. Yellow: Blue: Green:

19. I have eaten of my chocolates. I have eaten of my chocolates.
Challenge1: John and Mary each one has some chocolates.
I have eaten of my chocolates.
I have eaten of my chocolates. 1 — 3
(Did they eat the same amount of chocolates? Maybe you can draw a brief picture to help you to explain your reasons.)

21. Challenge2: Fill in the table with fractions.
Corlored parts
Not colored parts

22. The red part is ( ) of the whole.