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P4最大公因數Lesson_1符

P4最大公因數Lesson_1符

Assessment

Presentation

Mathematics

4th Grade

Practice Problem

Hard

Created by

符展僖 符展僖

Used 9+ times

FREE Resource

5 Slides • 7 Questions

1

media

© 2019 Marshall Cavendish Education

4

公因數和
最大公因數

2

Fill in the Blank

熱身: 找出8的因數

,
,
,

3

Fill in the Blank

熱身2: 找出12的因數

,
,
,
,
,

4

Fill in the Blank

8的因數是: 1,2,4,8

12的龱數是: 1,2,3,4,6,12

8和12有哪些因數是重覆出現的?

,
,

5

media

© 2019 Marshall Cavendish Education

因為任何兩個數的最小公因數必定是 1

6

Fill in the Blank

Question image

20和30的所有公因數是

,
,
,

7

Fill in the Blank

Question image

20和30的最大公因數是

8

Draw

完成書P.19-20 堂課 Q1-2

9

media

© 2019 Marshall Cavendish Education

1

32

4 × 8

2 × 16

124816 32

1 × 24

2 × 12

3 × 8

4 × 6

12346812 24

124 8

8

10

media

© 2019 Marshall Cavendish Education

139 27

1234691218 36

13 9

9

11

Fill in the Blank

最大公因數的英文縮寫是?

.
.

12

media

© 2019 Marshall Cavendish Education

功課: 完成書P.22 (1-5)

media

© 2019 Marshall Cavendish Education

4

公因數和
最大公因數

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