| Category | Format | Size |
|---|---|---|
| Hebei Education Edition Second Grade Mathematics Volume 2 | pptx | 6 MB |
"Problem Solving" PPT download
Description
"Problem Solving" PPT download
Part 1: In-depth explanation of typical topics
1) Do the math yourself: How much will the price of each piece of clothing be reduced?
Wool sweater price reduced by 145 yuan
525-380=145 (yuan)
Down jacket priced at 560 yuan reduced by 162 yuan
560-398=162 (yuan)
What about the other items?
Wool pants: 378-198= ( ) (yuan)
Down jacket: 490-348= ( ) (yuan)
Down pants: 290-150= ( ) (yuan)
2) If you use money with a face value of 100 yuan to buy each piece of clothing, how many pieces of clothing should you pay, and how much yuan will you get back?
Cardigan: 400-380=20 (yuan)
Deal with 4 cards and get 20 yuan back.
Wool pants: 200-198=2 (yuan)
Pay 2 cards and get 2 yuan back.
Down jacket: 400-398=2 (yuan)
Pay 4 cards and get 2 yuan back.
Down jacket: 400-348=52 (yuan)
Deal with 4 cards and get 52 yuan back.
Down pants: 200-150=50 (yuan)
Pay 2 tickets and get 50 yuan back
Problem Solving PPT, Part 2: Apply What You Learn
Choose any two pieces of clothing above and figure out how much they actually cost.
380+198=578 (yuan)
578-50=528 (yuan)
Answer: The total cost of choosing a woolen sweater and sheepskin pants is 528 yuan.
2) Mom brought 1,000 yuan, which clothes can she choose?
Option One:
380+198=578 (yuan) woolen sweater and woolen pants
578-50=528 (yuan) 50 yuan back for purchases over 500 yuan
528+398=926 (yuan) down jacket
Option II:
380+198=578 (yuan) woolen sweater and woolen pants
578-50=528 (yuan) 50 yuan back for purchases over 500 yuan
528+348=876 (yuan) down jacket
876+150=1026 (yuan) down pants
1026-50=976 (yuan) 50 yuan back for purchases over 500 yuan
Keywords: Free download of Hebei Education Edition second-grade mathematics PPT courseware, second volume, problem-solving PPT download, .PPT format;
For more information about "Solving Problems with Three-Digits, Adding and Subtracting Three-Digits" PPT courseware, please click the "Solving Problems with Three-Digits, Adding and Subtracting Three-Digits PPT" tag.
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Update Time: 2024-07-27
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