Explain howyou wouldestimateto subtract 189 from 643

Question

asked Oct 10, 2019 16.3k views

1 Answer

Chmurli · Answer 1 · 2019-10-15T04:53:51+0000

I would estimate 643 - 189 by rounding 643 to the tens place and 189 to the hundreds place.

643 => 640

189 => 200

Now you can subtract 200 from 640.

640 - 200 = 440