Solving exercises on pages 38 and 39 of Math Workbook 3, Sky Wings Series

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Solve Math problems on pages 38 and 39 of Cánh Diều Book for 3rd graders

Solving exercises on pages 38 and 39 of Math Workbook 3, Sky Wings Series

Table of Division by 3

1. Solve Exercise 1 Page 38 Math Grade 3

Problem: Mentally calculate:
6 : 3                                           15 : 3                                         30 : 3
9 : 3                                            3 : 3                                          27 : 3

Guidance: Use the 3 multiplication table to calculate.

Answer:
6 : 3 = 2                                      15 : 3 = 5                                   30 : 3 = 10
9 : 3 = 3                                       3 : 3 = 1                                     27 : 3 = 9
12 : 3 = 4                                     21 : 3 = 7                                                                        18 : 3 = 6

2. Solve Exercise 2 Page 38 Math Grade 3

Problem: Calculate:
3 x 5                                            3 x 6                                           3 x 8
15 : 3                                           18 : 3                                            24 : 3
15 : 5                                               18 : 6                                            24 : 8

Solution Guide: In each column, we use the first multiplication to write the results of the two divisions below.

Answers:
3 x 5 = 15                                 3 x 6 = 18                                        3 x 8 = 24
15 : 3 = 5                                  18 : 3 = 6                                         24 : 3 = 8
15 : 5 = 3                                  18 : 6 = 3                                         24 : 8 = 3

3. Solve exercise 3 on page 39 of the Math 3 Workbook

Problem Statement: Choose the correct result for each calculation.

Solution Guide: Refer to the 3-times table, calculate the operations for each bird, then connect them with the appropriate results at each house.

Answers:

4. Solve exercise 4 on page 39 of the Math 3 Workbook

Problem Statement: Little porcupine helps its mom bring home 18 apples. Each trip, the porcupine can carry 3 apples. How many trips does the porcupine need to make to bring all the apples home?

Solution Guide: To calculate the number of trips the porcupine needs to make, divide the total number of apples it has to carry by the number of apples it can carry in each trip.

Answer:
To bring all the apples home, the porcupine needs to make the following trips:
18 : 3 = 6 (trips)
Final Answer: 6 trips.

With the detailed solution to solve exercises on pages 38, 39 of the Math 3 Workbook, Cánh Diều Book, students have gained additional knowledge and can easily solve exercises related to the 3-times table.