| Category | Format | Size |
|---|---|---|
| Western Normal University Edition Second Grade Mathematics Volume 2 | pptx | 6 MB |
"Addition of three-digit numbers" Addition and subtraction of three-digit numbers PPT courseware 3
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"Addition of three-digit numbers" Addition and subtraction of three-digit numbers PPT courseware 3
200+200=40020+60=80 400+80=480
200+260=460
460+20=480
220+200=420
420+60=480
Add 2 hundreds to 2 hundreds to get 4 hundreds, and add 2 tens to 6 tens to get 8 tens. The total is 480.
Learned three-digit addition.
Calculate the addition of three-digit numbers using vertical expressions.
If the same digits are aligned, start from the ones digit and add one to the tens digit. When calculating the tens digit, add the 1 that comes up from the ones digit.
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"Addition of three-digit numbers" Addition and subtraction of three-digit numbers PPT courseware 2:
"Three-digit addition" Three-digit addition and subtraction PPT courseware 2 Review introduces 8+6+1= 6+4+1= 7+5+1= 9+3+1= Summary: We are calculating consecutive carries When adding, if the number in which digit adds up to ten, one must be added to the previous digit. ... ... ....
"Addition of three-digit numbers" Addition and subtraction of three-digit numbers PPT courseware:
"Three-digit Addition" Three-digit addition and subtraction PPT courseware. Approximately how many pens are there? 220 + 260500 (pieces) Answer: There are about 500 pieces of both pens in total. First estimate how many people there are: 433 + 418800 (people) Answer: There are about 800 people in Fengshou Primary School...
"Abdication Subtraction" PPT courseware for addition and subtraction of two or three digits:
"Abdication and Subtraction" PPT courseware for addition and subtraction of two and three digits. Calculation verification method: Add and subtract numbers using differences (the answer is equal to the minuend, then the calculation is correct, otherwise it is wrong). How many more children's novels are there than folktales? 335-185=150 (books) Which one is not enough to reduce...
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Update Time: 2024-07-04
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