Equivalent Expressions - Cycle 2

| Mathematics

What is an equivalent expression?

Definition

Numerical expressions are numbers separated by mathematical symbols.

Example:

4 + 5 = 9 is a numerical expression.

Numerical expressions are equivalent when they have the same value.

Example

The expressions 2 × 5 and 70 ÷ 7 are equivalent since they represent the same amount.

Exemple d’une multiplication et d’une division équivalentes