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2 Digit Subtraction Strategies Explained

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Salad Station strategies hair force just wanted to kind of start off with in the Meadows concrete if you can are based in blocks. I said I need to send video. We have in the classroom a 1 o'clock, and I've been sick you can't tell but if we put 10 of one together it equals the links of one of these steps. Of all the spots that are available that we can draw. A1 o'clock my drawing a thought. You said I'm drawing we can start 6:04 slot for instance home is 40 +. snow equals not press -2 please bear with me. We're doing distraction what we're going to do is we're going to build the same number and take. Hey, the smaller number. There are how many 146 that's Vi? You'll see me all drawl winfrey meeting I drew. 512 cross and then I do the next 11x frames because there's to frame the frame this easy for students to know that that 5 is 1 + 1 more. how many are in 46 let's see I look at my son's place value in at 4 so I've lost one two three four. now with the Traction signer are operation sign says we need Take-Aways Ralph. value in my ones That's who I'm a mark out to 1. 1 to. Valuation so what I'm Gonna Mark L 110. the number that one two three four one and then how Will count bison since 2030 there for my answer in Full 34. puff They centers silver. Hey, gee, I need a break apart strategy. With that what we do? cuz I take a number like 37 minus 12 and what I do is I break this apart, or put it in a form 37 is how many wins do I have I have 7 plus how many times 3? Now you have the 3 in the 10th place this 30. How many ones that I have in 12 it's 2 + value of my one and my 10 flights of the number 12? sense II qu I am running plus signs the exception problem. We have 30 + 7 in order to get 37 the same as here with 12. We have add 10 +. corner of Hospitals Now we this what we have to do is we have to subtract or one 7 minus 2. Minus excuse me 30 minus 10 what we do the account back from 10 to 8:30 in our head in count back 210 and that would be funny. Sorry answer would equal 25. Maximus show you the number one strategy? And with the number one we we draw open for one. and Wetsuits 263 31 and what we do is that have the students start with? That is 63 nothing crazy part is where to 3 on the number one? My snow, this is cracked on a number line, please awkward Cos the number smaller. Those three those on this end. at least Bryce's Hartford what we just so we know that 31 is 30 + 1 now Sorry pretty far away to jump. How many pins are in pre. Well, that's Right good of you. Sweet gum, well of course. I'm going to write it over here. It's 10 + 10. + 1 equals 31 I'm going to 310 hoff one. two 3 that's going to be some crashing. Is regarding back? the froM 63054 This is just like accounting I would land on this Iii. Kenmore would be 43 Or would be 33. easy to work or not Only jumpstart end job and we have what lesson jump? We have a 1 jump. 32 - 133 - 1 is juice or answer because 32 last but not least we have a friend he called 120 chart. The Witness students are allowed to use their 120. Which looks? now I'm going to take. 55 - 20 4 what we have to do is we always starts at our finger on the Daniel notice 120 sharp you move up we subtract 10, so Hi, we want to move if we are subtracting. with 1 digits backwards just like on a number one. We go back. So they can't put these up because then that means they move up twice for your house. Here's how it works. Let me see if I can keep everything on the page. I'm at Hopspot. I don't happen til. I'll answer this is 1. Hi, Lana, 9:35. I'm not over for one. 234 and my answer is 30 doesn't a for strategy. That's hot your students first 2 digits of traction.

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2 Digit Subtraction Strategies Explained

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