This document explains the rules for performing arithmetic operations with relative numbers, including addition, subtraction, multiplication, and division.
Extract
[...] Examples : - + = +7 : I have 4 euros and I have add 3 of plus ? I have 7 euros. ? + = ?7 : I two 4 euros and again 3 euros ? I two 7 euros au total. 2. Signes différents : On soustrait the absolute values and we keep the sign of the number with the largest absolute value. Examples: - + = +2 : I have 7 euros but I two 5 euros ? the me remains 2 euros. ? [...]
[...] Relative Numbers - 4th Grade Names relative (4th grade) XXX 25 september 2025 1 Definitions and vocabulary Definition. A name relative est a name here can être positive, negative or zero. In in course of 4and on is mainly interested in entiers relatifs (ex. ? but the concept also applies to other numbers (decimal, fractions Some terms important : ? Names positifs : names strictly superior to zero. Example : + (On often omits the sign [...]
[...] A bill white becomes black. - This permits of visualize easily why A ? = A + B. Exemple concret : 5 ? - On a 5 billes blanches (positives). - On enlève 3 billes noires (negative). As the subtraction inverse the nature, ces 3 billes noires deviennent blanches. - Result : 5 + 3 = 8 billes blanches. Schema visuel : 5 billes blanches (positives) 3 black balls operation subtraction 3 balls black become white Result : 8 bills white Multiplication The rule if base on the signes : - × = two names positifs give a positive. [...]
[...] - × = two names negative give also a positive. Example : × = +12. - × = × = a positive and a negative give a negative. Example : × = ?12. Division The rule is exactly the even that for the multiplication : Rules fast (to retain) Exercices : Additions and Subtractions of names relatives Level 1 : Easy ? 7 Niveau 2 : Medium 1. + 5 ? 3. ? 3 5. ? Niveau 3 : Difficult ? 3 + Exercise 4 : Calculs with of names relatives Level 1 - expressions to 3 names (each expression à the line) A1. [...]
