乘法的初步认识练习
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乘法的初步认识练习. 2. ( )个( ). 4. 2 + 2 + 2 + 2 = 8. 加法算式:. 4 x 2 = 8. 乘法算式:. 2 x 4 = 8. ( )个( ). 加法算式:. 乘的形式:. 一共有多少只小鸡 ?. 4+4+4+4+4=20. 加法算式:. 4×5=20. 乘的形式:. 5×4=20. 3. 2. 6. 3. 2. 6. 2. 3. 6. 4. 3. 12. 3. 12. 4. 3. 12. 4. 5×3=15. 3×5=15. 填一填?. 10.

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2

( )个( )

4

2 + 2 + 2 + 2 = 8

加法算式:

4 x 2 = 8

乘法算式:

2 x 4 = 8


( )个( )

加法算式:

乘的形式:


一共有多少只小鸡?

4+4+4+4+4=20

加法算式:

4×5=20

乘的形式:

5×4=20


3

2

6

3

2

6

2

3

6

4

3

12

3

12

4

3

12

4


5×3=15

3×5=15


填一填?

10

(1)2×5=( ) 。

(2)一个因数是5,另一个因数是4,积是( )。

20


想一想?

小朋友做游戏,5人一组,可以分3组,一共有多少小朋友?


下列哪些能写出乘法算式?

(1)15+15

(2)5+5+5+5

(3)9

(4)5个3相加

(5)2和6相乘

(6)3+3+3+2

(7)4+4+4-4


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