"Organization and Review" Divide two or three digits by one digit PPT courseware

Description

"Organization and Review" Divide two or three digits by one digit PPT courseware

teaching objectives

1. Go through the process of systematically reviewing, organizing, consolidating and improving the knowledge learned in this unit.

2. Further master the calculation method of dividing multiple digits by one digit, and improve the ability to calculate and solve simple problems.

3. Cultivate students’ good habits of reviewing and organizing the knowledge they have learned.

1. Choose an appropriate calculation method.

64÷2 600÷3

58÷2 500÷3

420÷7 605÷5

350÷4 605÷6

2. Which of the following numbers has no remainder when divided by 2, and which number has no remainder when divided by 5? Judge first, then calculate, and fill in the corresponding circles.

Divide by 2 without remainder

There is no remainder when divided by 5

Can you spot the characteristics of the numbers in these digits?

3. Teacher Wang plans to buy 7 boxes of toy cars for the kindergarten. Is 400 yuan enough?

52×7=364 (yuan)

364＜400

Answer: Bringing 400 is enough to buy 7 boxes of stingy toy cars.

practice

1. First determine how many digits the quotient is, and then calculate.

542÷6 704÷2 312÷3

392÷8 600÷5 972÷9

2. (1) How many hats can be bought with the money of buying a scarf?

24÷8＝3(top)

Answer: You can buy 3 hats.

(2) Is 60 yuan enough to buy 1 pair of sneakers and 2 hats?

48+8×2=64 (yuan)

64>60 is not enough.

(3) What other questions can you ask?

3. There are 30 pieces of candy in the box.

(1) Take out at least a few pieces of candy from the box, and can the remaining pieces be divided equally among the 7 children?

30÷7＝4(blocks)……2(blocks)

Answer: Take out at least 2 pieces of candy.

(2) At least a few more pieces of candy can be added and distributed equally among 8 children?

4×8=32 (blocks)

32-30=2 (blocks)

Answer: Fill it with at least 2 more pieces of sugar.

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File Info

Update Time: 2024-10-02

This template belongs to Mathematics courseware Hebei Education Edition Third Grade Mathematics Volume 1 industry PPT template

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