Posted by zoie on Thursday, September 20, 2012 at 11:28pm.
your teacher has told you to subtract by adding on to find the difference in this problem: 7136. what do you do first?

3rd grade math  Jaden, Friday, September 21, 2012 at 5:13pm
Well, if you subtract by adding, you count in your head how many numbers are between 36 and 71. For example.. 8050, there are 30 numbers in between 50 and 80 and 8050=30.. If its easier.. try taking away one number in your equation and making them even.. like 70  35 and counting up by 5's.. so count 5, 10, 15, 20 until you get up to your number and just add 2 to your result for the 2 you took away (:

3rd grade math  yesi, Wednesday, September 26, 2012 at 1:08am
7136=35
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