Lesson 3 Unit fraction（2）

1 2

Write down the fraction of the coloured part 3 1 5 1 4 1 （ ） ———— （ ） ———— 6 1 （ ） ———— （ ） ————

Numerator Fraction line Denominator Unit fraction

True of False？         ( ) ( ) ( ) ( )

TURE OR FALSE Not divided equally Maybe not equal 1 （1） （ ） —4 （1） （ ） 1 —4 Not divided equally Maybe not equal （2）I divided a cake into 7 parts， each part is of the cake. （ ） 1 — 7 （3）I divided a rope into 3 equal parts， each part is of the rope. （ ） 1 — 3

I divide all dogs into ( ) equal parts, each part is of the whole. 1 12 6 4 3 2

I divide all dogs into ( ) equal parts, each part is of the whole. 2 1 2 1 2 1 2

I divide all dogs into ( ) equal parts, each part is of the whole. 3 1 3 1 3 1 3 1 3

I divide all dogs into ( ) equal parts, each part is of the whole. 4 1 4 1 4 1 4 1 4 1 4

I divide all dogs into ( ) equal parts, each part is of the whole. 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 4

1 12 1 4

1 1 4

Exercise1: Write down the unit fractions according to the picture. 4 3 2 Traditional Chinese Food: Steamed small meat dumpling in basket Traditional Chinese Snack: Suger-coated haws on a stick

Exercise2: Circle the part in the pictures according to the unit fractions.

Lesson 3 Exercises 1. Use the fraction to represent the parts of the circled. 1 1 1 3 6 4

2. Circle according to the picture. Lesson 3 Exercises 2. Circle according to the picture. 1 4 1 3

2 Lesson 3 Exercises 1 3 3. Circle and think. (1) of the six apples, we should circle_______ apples. 1 3 2

Lesson 3 Exercises 1 ( ) (2) Circle three apples, circled is . 2

1 8 1 2 Lesson 3 Exercises 4. (1) There are 8 students in a group, each child is of the group; (2) 4 children are of the group. 1 ( ) 8 1 ( ) 2

1 3 1 2 3 2 5. (1) of 9 ☆ are ( ) ☆. (2) of 4 ○ are( ) ○. Lesson 3 Exercises 5. (1) of 9 ☆ are ( ) ☆. (2) of 4 ○ are( ) ○. 1 3 3 1 2 2