"Olympic Games in My Heart" PPT courseware

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"Olympic Games in My Heart" PPT courseware

Situation introduction----Bird's Nest

Students, look carefully, what do you find?

Can you figure out the math problem based on the information?

Understanding of numbers within ten thousand and their addition and subtraction

1500 is composed of ( ) thousands, ( ) hundreds, ( ) tens, ( ) ones?

9612=( )+( )+( )+( )

Can anyone tell me how many seats are there in each of the three areas A, B, and C?

Can you tell me the composition of these three numbers?

Can you put these three numbers in order from largest to smallest?

With so many seats, how many are there?

What other questions can you ask?

(1) How many fewer people are there in Area B than in Area A?

(2) How many fewer people are there in Area C than in Area B?

Write approximations of the following numbers

(1) There are 1952 students in our school, about _______.

(2) Binhai Bridge is 2052 meters long, about _______ meters.

(3) An article has 9078 words, about _______ words.

Oral arithmetic expert

300+400= 700+800= 50000+10000=

280-200= 60+500= 760+120=

70+140= 1000-800= 980-460=

650-30= 260-130= 400+600=

Use vertical calculation

42÷8= 44÷7= 21÷3= 40 ÷6=

28÷8= 32 ÷4= 86 ÷9= 37 ÷5=

Use vertical calculations to check

325+436= 778-563= 167+832=

400-198= 49+527= 913-754=

unit of length

Kilometers Meters Decimeters Centimeters Millimeters

5 kilometers = _____ meters 3000 meters = ____ kilometers

8 decimeters = _____ centimeters 60 decimeters = _____ meters

____mm=3cm ______m=8km

Solve the problem

(1) First ask Xiao Ming how many kicks he played in one minute.

18÷2=9 (pieces)

(2) Ask Xiaofang to kick a few more times per minute than Xiao Ming.

13-9=4 (pieces)

Answer: Xiaofang kicked 4 more kicks per minute than Xiao Ming.

I'm the best at solving problems

The second grade of the experimental primary school ordered 325 copies of "Children's Pictorial", and the first grade ordered 105 copies less than the second grade. How many copies did the first and second grade students order in total?

There are 40 cakes on a plate, and each box contains 6 cakes. 5 boxes have been packed, how many cakes are left?

Teacher Li bought a tea set (as shown in the picture on the right). The teapot without handle is 18 yuan, and the total of 4 cups is 28 yuan. How much more does a teapot cost than a cup?

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"Olympics are in my heart" PPT courseware 3:

"Olympic Games in My Heart" PPT Courseware 3 Grandstands: Area A has 380 seats; Area B has 350 seats; Area C has 286 seats; Area D has 282 seats. There are a total of 1,806 students in the school. There are 376 students in the first grade, and there are 62 fewer students in the second grade than in the first grade. A total of 9 teams participated in the sports meeting, and each team...

"Olympics are in my heart" PPT courseware 2:

"Olympic Games in My Heart" PPT Courseware 2 Grandstand Area A 380 seats How many seats are there in Area A and Area B? Area B: 350 seats. How many seats are there in Area A and Area C? Area C, 286 seats. How many seats are there in Area A and Area D? Block D, Block 282, how many total are there in Blocks B and C...

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Update Time: 2024-10-21

This template belongs to Mathematics courseware Qingdao Edition Second Grade Mathematics Volume 2 industry PPT template

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