"Ten minus 9" abdication subtraction within 20 PPT download

Description

"Ten minus 9" abdication subtraction within 20 PPT download

Part One: Teaching Purpose

1. Let students raise and solve mathematical problems through the New Year's Garden Party, and master the calculation method of subtracting nine from ten on the basis of understanding.

2. Through group cooperation and whole-class communication, students can experience the diversity of calculation methods for ten minus nine, and cultivate students' communication skills and awareness of cooperation.

3. Let students solve problems by themselves, feel the connection between mathematics and life, and experience the joy of successfully solving problems.

Ten minus 9 PPT, the second part: clapping game

Composition of 10

You shoot 1, I shoot 9, we are all good friends,

You shoot 2, I shoot 8, we are powerful together,

You shoot 3 and I shoot 7. We have loved studying since childhood.

You shoot 4, I shoot 6, speak honestly and don’t brag.

You shoot 5, I shoot 5, count two to make ten, don’t be careless.

Make up ten for docking

When I see 9, I think of____;

When I see 8, I think of____;

When I see 7, I think of____;

When I see 6, I think of____;

When I see 5, I think of____;

Ten minus 9 PPT, the third part: exploring new knowledge

Do you know any other formulas for subtracting 9 from a dozen?

11 - 9 = 2

12 - 9 = 3

13 - 9 = 4

14 - 9 = 5

15 - 9 = 6

16 - 9 = 7

17 - 9 = 8

18 - 9 = 9

Ten minus 9 PPT, part 4: Consolidating new knowledge

Go around in a circle and do the math.

14－9=

17-9=

I'll light a candle

13-9= 14-9= 16-9=

12-9= 11-9= 17-9=

Ten minus 9 PPT, part five: summary of this lesson

Today we learned about subtracting nine from ten. Did you find any little secrets hidden in subtracting nine from ten?

Keywords: Free download of PPT courseware for mathematics in the second volume of the first grade of the People's Education Press, download of ten minus 9 PPT, download of subtraction within 20 PPT, .PPT format;

For more information about the PPT courseware "Abdication Subtraction Within 20 - Tens Subtracting 9", please click on the Abdication Subtraction Within 20 PPT Ten Tens Subtracting 9 PPT tag.

"Ten minus 9" PPT teaching courseware for abdication subtraction within 20:

"Ten minus 9" The first part of the PPT teaching courseware on abdication and subtraction within 20: Review old knowledge and prepare the ground 18-6= 17-5= 14-2= 15-3= 18-5= 13-2= 13- 2= ​​Talk about math: Divide 13 into 10 and 3, 3-2=1, 10+1=11. ... ... ... a dozen...

"Ten minus 9" abdication subtraction within 20 PPT:

"Ten minus 9" PPT on abdication subtraction within 20 Part 1: Learning objectives 1. Through exploration of the problem situation, obtain various methods of calculating ten minus 9; through comparison, experience simpler calculation methods. 2. Understand the idea of ​​abdicating subtraction from ten to nine...

"Ten minus 9" Abdication subtraction within 20 PPT courseware 4:

"Ten minus 9" Subtraction within 20 PPT courseware 4 Teaching objectives: Preliminarily master the calculation method of ten minus 9. Able to correctly perform verbal calculations of ten minus nine. Initial cultivation of students' abstract thinking ability. By thinking about addition and subtraction, we can initially penetrate the relationship between things.

File Info

Update Time: 2024-11-17

This template belongs to Mathematics courseware People's Education Press First Grade Mathematics Volume 2 industry PPT template

Preview