"Written Multiplication" Multiplying Two-Digits by Two-Digits PPT Courseware 2

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"Written Multiplication" Multiplying Two-Digits by Two-Digits PPT Courseware 2

1. Review introduction and reveal topics

2. Explore new knowledge

(1) Introduction of situations and raising questions

Chunfeng Primary School has 37 classes, with an average of 48 students in each class. How many boxes of yogurt are needed to provide each person with a box of yogurt for lunch?

(2) Exploration algorithm

How to calculate multiplication when the multiplier is two digits?

Then use the number in the tens digit of this multiplier to multiply another multiplier, so that the last digit of the number is aligned with the tens digit of the multiplier.

(3) Observation and comparison

What is the difference between the two-digit multiplication of two-digit numbers learned today and the two-digit multiplication of two-digit numbers learned before?

There is a carry in the two-digit multiplication of two-digit numbers that we learned today. The number of carries must be added when calculating.

3. Application of knowledge

1. Do it.

2. Woodpeckers cure diseases.

3. Solve the problem.

Teacher Li took 380 yuan to the store to buy a football and found that the price of the football was 25 yuan more expensive. After buying 13 footballs, the money has not been spent yet.

(1) How much might a football cost?

(2) If you have 16 yuan left after buying the football, what is the price of the football?

4. Assign homework

Homework: Exercise 11 on page 50, questions 2 and 4.

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For more information about the PPT courseware "Multiplying two digits by two digits, written calculations and multiplications", please click the "Multiplying two digits by two digits ppt, written calculations and multiplications" ppt tag.

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Update Time: 2024-09-24

This template belongs to Mathematics courseware People's Education Press third grade mathematics volume 2 industry PPT template

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