Formula deep page
Divisibility by 3
Sum of all digits divisible by 3
This formula belongs to the chapter "Playing with Numbers" in Class 6 Mathematics. Use it after identifying the right variables, matching the chapter context, and writing the substitution clearly.
How to use it
- Identify the quantity you need to find.
- Check the related variables and units from the question.
- Substitute values carefully into the formula.
- Simplify step by step and write the final statement.
Worked cue
783: 7+8+3=18, 18÷3=6. So 783 is divisible by 3 ✓