Solve Exercise 4 on Page 98 of Math Workbook 4 Practice

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Ngày cập nhật gần nhất: 15/4/2026

Solve exercise 4 on page 98 of Math Workbook 4 Practice, using the digits 0; 6; 1; 2.

Guidance on solving exercise 4 on page 98 of Math Workbook 5 Practice

Problem Statement:
Using the digits 0; 6; 1; 2.
a) Write at least three three-digit numbers (with different digits) divisible by 9.
b) Write a three-digit number (with different digits) divisible by 3 but not divisible by 9

Solution Method:
- Divisibility test for 3: If the sum of the digits is divisible by 3, then the number is divisible by 3.
- Divisibility test for 9: If the sum of the digits is divisible by 9, then the number is divisible by 9

Answer:
a) You can choose 3 numbers from the following: 612; 621; 162; 126; 261; 216.
b) You can choose one of the following numbers: 102; 120; 201; 210.

The Grade 4 math problem-solving section comprises 4 exercises. After solving exercise 4 on page 98 of Math Workbook 4 Practice, feel free to check out hints and methods for solving Exercise 1 on Page 98 of Math Workbook 4 Practice, Exercise 2 on Page 98 of Math Workbook 4 Practice, and Exercise 3 on Page 98 of Math Workbook 4 Practice to enhance your understanding of Grade 4 math.

Frequently Asked Questions

How do you solve Exercise 4 on page 98 of Math Workbook 4 Practice using the digits 0, 6, 1, 2?

To solve Exercise 4, use the divisibility tests. For divisibility by 3, check if the sum of the digits is divisible by 3. For divisibility by 9, check if the sum is divisible by 9. This allows you to select the correct three-digit numbers.

What are the divisibility rules for 3 and 9 in Exercise 4 of Math Workbook 4?

For divisibility by 3, if the sum of the digits is divisible by 3, the number is divisible by 3. For divisibility by 9, if the sum of the digits is divisible by 9, the number is divisible by 9.

What are three-digit numbers divisible by 9 using the digits 0, 6, 1, 2?

Using the digits 0, 6, 1, 2, valid three-digit numbers divisible by 9 are 612, 621, 162, 126, 261, and 216, as their digit sums are divisible by 9.

Which three-digit number is divisible by 3 but not 9 in Exercise 4 of Math Workbook 4?

The numbers 102, 120, 201, and 210 are divisible by 3 but not 9, as their digit sums are divisible by 3 but not by 9.

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