Western Normal University Edition Second Grade Mathematics Volume 1

Western Normal University Edition Second Grade Mathematics Volume 1

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"Preliminary Understanding of Multiplication" Multiplication in Tables PPT Courseware 6

Same addends

4+4+4=

6+6+6+6=

2+2+2+2+2=

Small train

There are 3 people in each carriage. If there are 4 carriages, it means there are 4 3

3+3+3+3=12

roller coaster

There are 2 people in each carriage and 6 carriages means there are 6 2

2+2+2+2+2+2=12

Addition like this can also be represented by multiplication.

Addition formula: 3+3+3+3=12

There are 4 3s added together.

The multiplication formula: 4×3=12 is read as: 4 times 3 equals 12.

Or 3×4=12 is read as: 3 times 4 equals 12.

Which of the following calculations can be directly rewritten as a multiplication calculation? Write it out.

5+5 7+7+6 3+3+3+3+3

4+4 6+6+6 3+2+2+2

Only by finding the sum of several identical addends can we use multiplication.

Please judge:

4+4+4=4×3  ( )

2+2+2+2+2=2×5( )

7+7+5=7×3 ( )

6+6+6+6=6×4 ( )

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For more information about the PPT courseware "Preliminary Understanding of Multiplication and Multiplication in Tables", please click the "Preliminary Understanding of Multiplication in Tables ppt" ppt tag.

"Preliminary Understanding of Multiplication" Multiplication in Tables PPT Courseware 9:

"Preliminary Understanding of Multiplication" Multiplication in Tables PPT Courseware 9 The addition of several numbers is the number multiplied by the number 6+6+6=36 2+2+2=32 Read as: Multiplication Write the multiplication formula and read out 4 2 phases The addition of 42 is read as (4) times (2). The addition of 5 3s is read as (5) times (3). The multiplication of 2 and 6, 26, is read as (2) times (..

"Preliminary Understanding of Multiplication" Multiplication in Tables PPT Courseware 8:

"Preliminary Understanding of Multiplication" PPT courseware for multiplication in tables 8 5+5+5+5=20 Expressed by multiplication: 54=20 3+3+3+3+3+3=18 Expressed by multiplication: 36=18 10+10+10=30 Expressed by multiplication: 103=30 Please judge: 4+4+4=43 ( ) ..

"Preliminary Understanding of Multiplication" Multiplication in Tables PPT Courseware 7:

"Preliminary Understanding of Multiplication" Table Multiplication PPT Courseware 7 Oral calculation: 7+8= 3+3= 6+9+5= 4+4+4= 7+2+6+1= 5+5+5+5= 1+2+3+4+5= 2+2+2+2+2= Which of the following calculations can be directly rewritten as multiplication calculations? Write it out. 5+5 7+7+6 3+3+3..

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Western Normal University Edition Second Grade Mathematics Volume 1 西师大版二年级数学上册(1)西师大版二年级数学上册(2)

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