"Oral arithmetic of multiplying whole tens and whole hundreds by one digit" Multiplying two and three digits by one digit PPT courseware 2

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"Oral arithmetic of multiplying whole tens and whole hundreds by one digit" Multiplying two and three digits by one digit PPT courseware 2

1.Answer orally

4 hundreds are ( ) There are ( ) hundreds in 700

Multiplying 2 hundreds by 3 gives ( ) hundreds, which is ( )

2. Oral calculation

4×2= 5×3= 6×7=

40×2= 50×3= 60×7=

Give it a try and you will make new discoveries.

2×3= 3×5= 5×4=

20×3= 3×5 0= 50×4=

200×3= 3×5 00= 500×4=

A track is 400 meters long. If Tingting runs 2 laps, how many meters will she have to run?

400×2=?

Please tell your deskmate how you calculated it? What is the result?

Multiply a whole hundred by a single digit orally:

Ignore the 0 at the end of the multiplier, use the formula to find the product, and then add two 0s at the end of the product.

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For more information about the PPT courseware "Multiplying two or three digits by one digit, whole tens, whole hundred, or one digit" PPT courseware, please click on "Two or three digits multiplied by one digit" ppt Multiplying whole tens, whole hundred or one digit Oral calculation ppt label.

"Oral calculation of whole tens and whole hundreds multiplied by one digit" Multiplication of two and three digits by one digit PPT courseware:

"Oral calculation of whole tens and whole hundreds multiplied by one digit" Multiplication of two and three digits by one digit PPT courseware How many ships are there in total? Just find out the number of 4 20s. Addition formula: 20+20+20+20=80 (strips) Multiplication formula: 204=80 (strips) Let’s see who can calculate correctly and quickly..

"Oral calculation of whole tens and whole hundreds multiplied by one digit" Multiplying two and three digits by one digit PPT courseware:

"Oral calculation of whole tens and whole hundreds multiplied by one digit" PPT courseware for multiplying two and three digits by one digit, the first level, I can do oral calculation 64=24 85=40 76=42 97=63 The second level, Fill in the blanks and I know 6 tens ( ). The 12 tens are ( ). 8 hundred is...

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Update Time: 2024-11-17

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

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