| Category | Format | Size |
|---|---|---|
| Qingdao Edition Second Grade Mathematics Volume 2 | pptx | 6 MB |
"The Hard-working Little Bee" PPT courseware 8
Description
"The Hard-working Little Bee" PPT courseware 8
1. Situation introduction
Dad catches 400 fish every month
Children catch 195 fish every month
How many more owl did the father catch than the child?
What questions can you ask based on this information?
What mathematical information did you discover from the picture?
2. You ask me
How many more owl did the father catch than the child?
400-195=
Can you try to calculate based on "calculation method of subtraction with 0 in the middle of the minuend"?
Subtracting 5 from 0 in the ones digit is not enough, so move back one from the tens digit.
Step back from the tens place by one, add 10 to the ones place and subtract it.
If the tens place is not enough to subtract, step back from the hundreds place and add 10 to the tens place.
3. Independent practice
1. Use vertical calculation.
2. Naughty saved 200 yuan of pocket money and spent 169 yuan on books. He will donate the remaining money to Project Hope. How much did he donate?
200-169=31 (yuan)
3.400-138=262 (meters)
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"The Hard-working Little Bee" PPT Courseware 10:
"The Hard-working Little Bee" PPT Courseware 10 1. Situation Introduction 189 cabbages have been inspected and 394 cabbages have not been inspected. How many cabbages are there in total? There were 158 ladybugs in the cabbage patch and 247 ladybugs in the eggplant patch. How many ladybugs were there in the two vegetable gardens? There are 435 eggplants...
"The Hard-working Little Bee" PPT courseware 9:
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"The Hardworking Little Bee" PPT courseware 7:
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File Info
Update Time: 2024-07-06
This template belongs to Mathematics courseware Qingdao Edition Second Grade Mathematics Volume 2 industry PPT template
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