Question

Complete the fact family by choosing the correct fact.
$7\times 3=21$
$3\times 7=21$
$21÷3=7$
_________

• A. $7÷3=21$
• B. $7+3=10$
• C. $7–3=4$
• D. $21÷7=3$

Answer 1

The correct option is D $21÷7=3$

The given facts using $3,7,$ and $21$ belong to the multiplication and division fact family.
$7\times 3=21$
$3\times 7=21$
$21÷3=7$
$21÷7=3$
So, option D is correct.