Practice drawing diagrams

### 1.1. Solving textbook exercises on pages 1373, 174, 175

**Lesson 1 Textbook page 173**

To show the number of trees planted by each student in the GREEN group in the school garden, the chart below can be used:

Based on the chart, answer the following questions:

a) How many students plant trees? How many trees can each student plant?

b) Who can plant the fewest trees?

c) Who can plant the most trees?

d) Who can plant more trees than Dung?

e) Who can grow fewer trees than Lien?

__Solution guide:__

a) There are 5 students planting trees:

– Lan can grow 3 trees.

– Flowers can grow 2 plants.

– Lien planted 5 trees.

– Mai can plant 8 trees.

– Dung planted 4 trees.

b) Hoa planted the fewest trees.

c) Mai’s friend planted the most trees.

d) Lien and Mai grow more trees than Dung.

e) Lan, Hoa and Dung grow fewer trees than Lien

Lesson 2 Textbook page 174

a) Fill in the blank cells in the table below:

RESULTS OF THE RESULTS OF THE STUDENTS OF GRADE 5A STUDENTS ABOUT RESULTS

b) Based on the above table, draw the missing columns in the chart below:

RESULTS OF THE RESULTS OF THE STUDENTS OF GRADE 5A STUDENTS ABOUT RESULTS

__Solution guide:__

a) RESULTS OF THE RESULTS OF THE STUDENTS OF GRADE 5A

b) RESULTS OF THE RESULTS OF STUDENTS OF GRADE 5A

Lesson 3 Textbook page 175

Choose a letter that has a right answer:

The chart below shows the results of the survey on the interest of 40 students in sports:

Students interested in football have approximately:

A. 5 students

B. 9 students

C. 25 students

D. 20 students

__Solution guide:__

The fan shape shows the number of students who like to kick a ball larger than half the circle.

Half of those students have a student population of:

40 : 2 = 20 (student)

So the number of students who like football is greater than 20 students.

Which 25 > 20. So the number of students who like football is about 25 students.

Choose answer C.

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