Buzz
Solve Grade 4 Math Problem on Page 8 of VBT Workbook 2, Concentrated Practice, Exercise 90 provides guidance and answers to exercises 1, 2, 3, 4, 5 closely following the learning content. It is hoped that through this exercise, students can solve problems easily, grasp the knowledge of problems divisible by 2, 3, 5, and 9. From there, solving related exercises will become simpler.
Solve Grade 4 Math Exercise Book Page 8 VBT Workbook 2 Concentrated Practice, Exercise 90
1. Solve Exercise 1 - Grade 4 Math Exercise Book Page 8 Workbook 2 Concentrated Practice
Problem:
Continue writing in the blank:
Among the numbers 676; 984; 6705; 2050; 3327; 57 663.
a) The numbers divisible by 2 are: .....
b) The numbers divisible by 5 are: ...........
c) The numbers divisible by 3 are: ..........
d) The numbers divisible by 9 are: .......
Solution Method
Apply the divisibility rules for 2, 5, 9, 3:
- Numbers with digits ending in 0; 2; 4; 6; 8 are divisible by 2.
- Numbers with digits ending in 0 or 5 are divisible by 5.
- Numbers with the sum of digits divisible by 9 are divisible by 9.
- Numbers with the sum of digits divisible by 3 are divisible by 3.
Answer
Among the numbers 676 ; 984 ; 6705 ; 2050 ; 3327 ; 57 663.
a) The numbers divisible by 2 are: 676; 984; 2050
b) The numbers divisible by 5 are: 6705; 2050;
c) The numbers divisible by 3 are: 984; 6705; 3327; 57 663
d) The numbers divisible by 9 are: 6705; 57 663
2. Solve Exercise 2 - Math Exercise Book Grade 4 Workbook 2 Page 8
Problem Statement:
Continue writing in the blank:
Among the numbers 48 432; 64 620; 3560; 81 587.
a) The numbers divisible by both 2 and 5 are: .........
b) The numbers divisible by both 3 and 2 are: .........
c) Number divisible by both 2, 3, 5, and 9 is: .......
Solution Method
Apply divisibility rules for 2, 5, 9, 3:
- Numbers with digits ending in 0, 2, 4, 6, 8 are divisible by 2.
- Numbers with digits ending in 0 or 5 are divisible by 5.
- Numbers with digits ending in 0 are divisible by both 2 and 5.
- Numbers with sum of digits divisible by 9 are divisible by 9.
- Numbers with sum of digits divisible by 3 are divisible by 3.
Answer
Among the numbers 48 432 ; 64 620 ; 3560 ; 81 587.
a) Numbers divisible by both 2 and 5 are: 64 620; 3560
b) Numbers divisible by both 3 and 2 are: 48 432; 64 620
c) Number divisible by both 2, 3, 5, and 9 is: 64 620
3. Solve Exercise 3 - Math Workbook Grade 4 Exercise 2 Page 8
Problem:
Fill in the appropriate digits into the blank spaces so that:
Solution Method
Apply divisibility rules for 2, 5, 9, 3:
- Numbers with digits ending in 0; 2; 4; 6; 8 are divisible by 2.
- Numbers with digits ending in 0 or 5 are divisible by 5.
- Numbers with digits ending in 0 are divisible by both 2 and 5.
- Numbers with sum of digits divisible by 9 are divisible by 9.
- Numbers with sum of digits divisible by 3 are divisible by 3.
Answer
4. Solve Problem 4 - Math Exercise Book Grade 4 Workbook 2 Page 8
Problem:
Fill in the blank with the appropriate number so that the number
Solution Method
Apply divisibility rules for 2, 5, 9, 3:
- Numbers with digits ending in 0, 2, 4, 6, 8 are divisible by 2.
- Numbers with digits ending in 0 or 5 are divisible by 5.
- Numbers ending in 0 are divisible by both 2 and 5.
- Numbers with a sum of digits divisible by 9 are divisible by 9.
- Numbers with a sum of digits divisible by 3 are divisible by 3.
Answer
5. Solve Exercise 5 - Grade 4 Math Workbook 2 Page 8
Problem:
Mark D for correct, and S for incorrect:
Solution Method
- Numbers with the last digit being 0 or 5 are divisible by 5.
- Numbers ending in 0 are divisible by both 2 and 5.
- Numbers not divisible by 2 are odd numbers.
Answer
Above is the instructional part on Solving the Exercise Book for Grade 4, Book 2, Page 8, Focused Practice, Exercise 90. Please proceed to read the guidance on Solving Grade 4 Math Problems, Page 9, Exercise 91, Square Kilometers, and review the exercise Solving Grade 4 Math Problems, Page 7, Exercise 89, Practice, to reinforce your knowledge.
