Formula deep page
Sign Rules for Addition
+×+ = +, -×- = +, +×- = -, -×+ = -
This formula belongs to the chapter "Integers" 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
(+7)×(+3)=+21, (-7)×(-3)=+21, (+7)×(-3)=-21