"Multiples" Multiples and Factors PPT Courseware

Description

"Multiples" Multiples and Factors PPT Courseware

teaching objectives

1. Experience the process of understanding multiples in mathematical activities such as independent calculation, communication, and judgment.

2. Know the meaning of multiples; among the natural numbers from 1 to 100, be able to find all multiples of a natural number within 10.

3. Actively participate in mathematics activities and gain successful experience in the process of learning new knowledge using existing knowledge and experience.

How many times the price of a leather hat is that of a cloth hat?

90÷18＝5

Answer: The price of a leather hat is five times that of a cloth hat.

90÷18=5 has no remainder, so 90 is a multiple of 18.

90÷18=5 has no remainder. It can also be said that 90 is 5 times 18.

Calculate the following two sets of questions.

(1)12÷3= (2)11÷3=

40÷8= 43÷8=

315÷15= 637÷15=

practice

1. In which of the following questions does the dividend be a multiple of the divisor?

80÷16=5 156÷39=4

92÷27=3……11 351÷27=13

2. Among the natural numbers from 1 to 100, find the multiples of each of the following numbers.

3. Among the following numbers, find the number that is a multiple.

72÷4=18 72÷9=8

56÷4=14 56÷7=8

48÷4=12 48÷24=2

24÷4=6

4. The little snail looks for multiples (find multiples of 3).

5. Judgment.

(1) 48 is a multiple of 6. ( )

(2) In 13÷4=3…1, 13 is a multiple of 4. ( )

(3) The multiples of 9 are only 18, 27, and 36. ( )

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Update Time: 2024-10-03

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

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