1. LO: Unit Fractions in
discrete models(2)

2. Reflection of Homework
Put the following fractions from least to
greatest ,linking with“<” and write on the
line.

3. 1 12 1 6 1 4 1 3 1 2 1

4. Unit fractions Numerator---”1” One part of the whole. Denominator---
All equal parts

5. Exercise1: Write down the unit fractions according to the picture.
The whole is divided into ( ) equal parts, each part is ( ) of the whole.
Traditional Chinese Food: Steamed small meat dumpling in basket
Traditional Chinese Snack: Suger-coated haws on a stick

6. Exercise2: Circle the part in the pictures according to the unit fractions.
The whole is divided into ( ) equal parts, each part is ( ) of the whole.

7. 3 1 There are 9 ★. of 9 ★ is equal to ( ) ★ A 1 B 2 C 3 D 4 ★ ★ ★
Challenge 1:
★ ★ ★
There are 9 ★.
of 9 ★ is equal to ( ) ★
A B C D 4 1 3

8. 4 1 There are 12 ★. of 12 ★ is equal to ( ) ★ A 1 B 2 C 3 D 4 ★ ★ ★ ★
Challenge 2:
★ ★ ★ ★
There are 12 ★.
of 12 ★ is equal to ( ) ★
A B C D 4 1 4

9. 1 — 2 1 — 3
Challenge3: Tom and Mary each one has 6 pencils. Tom has used of all his pencils. Mary has used of all her pencils. Now, who has more pencils left? Why? (Maybe you can draw a brief picture to help you to understand and explain.)

10. 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

11. I divide the line into ( ) equal parts, each part is of the line.
( ) colored parts are of the line.
（ ） 5 10
（ ）
（ ） 1 10 7 10

12. I divide 5 swans into ( ) equal parts, the red one is of the whole.
black swans are of the whole.

13. 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?

14. Conclusion Numerator--- 5 10 3 4 Denominator---all equal parts.
several (colored; circled)parts 5 10 3 4
Denominator---all equal parts.

16. Exercise1:Write down the fractions according to the pictures.

17. Exercise2: Color the part in the pictures according to the fractions.

18. Exercise3:Finish the table.
Colored parts
Not colored parts

19. Challenge1: What fractions can you see?

20. Challenge2: All the hearts is the whole.
Red hearts:
Blue hearts :