"The Hard-working Little Bee" PPT Courseware 10

"The Hard-working Little Bee" PPT Courseware 10

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"The Hard-working Little Bee" PPT Courseware 10

1. Situation introduction

189 cabbage heads have been inspected

There are 394 cabbage heads left to check.

How many cabbages are there in total?

There are 158 ladybugs in the cabbage patch

There are 247 ladybugs in the eggplant patch

How many ladybugs are there in the two vegetable gardens?

There are 435 eggplants

276 eggplants inspected

How many eggplants are there that have not been checked?

189 cabbage heads have been inspected

276 eggplants inspected

How many more eggplants have been inspected than cabbages?

What mathematical information do you know from the picture?

Based on this information, can you come up with a problem using addition?

2. You ask me

How many cabbages are there in total?

189+394=583 (tree)

Add 4 to 9 in the ones place to get 13, and add 1 to the tens place.

Add 8 to the tens place and add 9 to get 17, add 1 to the ones place to get 18, and add 1 to the hundreds place.

Add 1 to 3 in the hundreds place to get 4, and add 1 to the tens place to get 5.

Think about it, what should you pay attention to when calculating?

Whichever digit adds up to 10, advance 1 to the previous digit.

What should you pay attention to when calculating addition?

1. Align the same digits.

2. Add up from the ones digit.

3. If the numbers on which digit add up to 10, advance 1 to the previous digit.

3. Independent practice

1. Vertical calculation.

2. Solve the problem.

265+45=310 (blocks)

350+178=528 (meters)

3. Who picked the pine cones?

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For more information about the "Hard-working Little Bee" PPT courseware, please click on the "Hard-working Little Bee" ppt tag.

"The Hard-working Little Bee" PPT courseware 9:

"The Hardworking Little Bee" PPT courseware 9 1. Situation introduction There are 435 eggplants. 276 eggplants have been inspected. How many eggplants have not been inspected? 189 cabbages have been inspected. 276 eggplants have been inspected. How many more eggplants have been inspected than cabbages have been inspected? ... ....

"The Hardworking Little Bee" PPT courseware 8:

"The Hard-working Little Bee" PPT Courseware 8 1. Situation Introduction Dad catches 400 owl every month. The child catches 195 owl every month. How many more owls does the father catch than the child? What questions can you ask based on this information? What mathematical information did you discover from the picture? two,..

"The Hardworking Little Bee" PPT courseware 7:

"The Hardworking Little Bee" PPT courseware 7 1. Situation introduction Each word represents a number, and the same word represents the same number. Which number does Teng and Fei represent? What mathematical information do you know from the picture? What questions can you ask based on this information? two,..

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