"9 plus a few" PPT download of carry addition within 20

Description

"9 plus a few" PPT download of carry addition within 20

Part One: Review before class

How many cartons of milk are there in total?

Explore new knowledge

9 plus a few

In the picture, there are 4 boxes of milk outside the box and 9 boxes of milk inside. To find out how many boxes of milk there are in total, use addition to calculate. The formula is 9+4.

Calculation method of adding a few to 9

Method 1: Point method

Count the results one box at a time, 1, 2, 3,..., 12, 13. There are 13 boxes in total, that is, 9+4=13 (boxes).

Method 2: Continue counting

There are 9 boxes in the box. Remember 9 and count 4 more numbers, namely: 10, 11, 12, 13. There are 13 boxes in total, that is, 9+4=13 (boxes).

Method 3: Make up ten methods

The little girl holds a box of milk. If you add the milk in the box to 10, 9+1=10 (boxes), add 10 boxes and the 3 outside boxes, the total is 13 boxes, 10+3=13, so 9+4 =13(box).

9 plus a few PPT, the second part: expansion training

1. Look at the diagram.

There are 4 butterflies on the left and 9 butterflies on the right

2. Fill it out

9 + 2 = 6 + 9 =

3. Do the math.

6+9= 9+5= 9+9=

7+9= 9+2= 4+9=

9+6= 9+3= 8+9=

9 plus a few PPT, the third part: summary

Make up ten methods

Look at big numbers

Divide into decimals

Make ten

Count

Keywords: Free download of first-grade mathematics PPT courseware of People's Education Press, download of PPT of adding a few to 9, download of PPT of carry addition within 20, .PPT format;

For more information about the PPT courseware "How many times are added to 9 with carry within 20", please click on the PPT tag of How many are added to 9 with carry within 20?

"9 plus a few" PPT free courseware on carry addition within 20:

"9 plus a few" PPT free courseware on carry addition within 20 Part 1: Topic introduction Students, our school is holding a sports meeting, do you want to participate? If you want to participate, you have to pass two levels first. Let’s go through them now. The first level: counting stars. ..

Download the PPT courseware of "9 Adding How Many Counts" Carrying Addition Within 20:

Download the PPT courseware of "9 Adding How Many Counts" Carrying Addition within 20. The first part: Review and import oral arithmetic. 10+2= 4+10= 5+10= 10+7= Ten plus a few equals ten. Let's see who is lucky. 9+2+1= 5+3+7= 8+4+2= 3+2+8= 5+6+5= 7+1+3= ...

"9 plus a few" PPT teaching courseware for carry addition within 20:

"9 plus a few" PPT teaching courseware for carry addition within 20 Part 1: review and introduce 9+ ( ) = 10, orally calculate 9+1+4= 9+1+3= 9+1+7= 9+1+5= 9+1+6= 9+1+8= ... ... ... 9 plus a few PPT, the second part of the content: Newly taught pendulum, calculation...

File Info

Update Time: 2024-11-22

This template belongs to Mathematics courseware People's Education Press First Grade Mathematics Volume 1 industry PPT template

Preview