Check the division with the inverse multiplication fact
Exact division can be verified by reversing the operation. If 450 ÷ 9 = 50, then multiplying the quotient by the divisor must return the original dividend 450.
- 1.Start with the quotient 50.
- 2.50 × 9 = 450.
- 3.The product returns to 450, confirming the division.