Video Add And Subtract Numbers. Add and subtract on the number line word problems. How kindergartners learn to add and subtract numbers smaller than 5 By Understood Team Save.
Sal uses number lines to solve addition and subtraction word problems with numbers less than 100. Lets see how we could approach 4 and 14 minus 2 and 2 for its pause this video and have a go at that before we work on this together alright so the first thing that you might try to do is rewrite this as 4 and 14 minus 2 and 24 and the reason why its useful to write it this way is we could say look each of these mixed numbers have a whole number part and then they have a fractional part and so I could try to subtract the fractional part from the fractional part and then the whole number. What were going to do in this video is to start thinking about adding mixed numbers now just as a reminder of what a mixed number is itd be something like 3 2 8 its called mixed because part of the way we represent this number is as a whole number the 3 and then part is as a fraction - 8 but the number is 3 2 eights so lets think about how we might be able to add three and two eighths to five and three eighths so pause this video.
The problems solved in this video are 2 - 3 -1 and -2 - 3 -5 and -2 3 1 and 2 - -3 5 and -2 - -3.
Google Maps and external Video providers. Learn how to add and subtract negative numbers. What were going to do in this video is to start thinking about adding mixed numbers now just as a reminder of what a mixed number is itd be something like 3 2 8 its called mixed because part of the way we represent this number is as a whole number the 3 and then part is as a fraction - 8 but the number is 3 2 eights so lets think about how we might be able to add three and two eighths to five and three eighths so pause this video. When adding positive numbers count to the right.
