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Elementary school fifth grade mathematics expansion problem! ! !
Interesting math problems in grade five

class

(full name)

Student number

1.

Master Zhang sawed a piece of wood into three sections for use.

36

Minutes,

He sawed the same piece of wood.

108

Minutes,

This wooden saw

How many paragraphs?

2.

Fan Xiao is calculating.

1.5-a+2.5

When,

Missed the decimal point,

miscount

15-a+25

The calculated result is better than the correct one.

How big is the result?

3.

Xiaoxiao accidentally divided the divisor when calculating a division problem.

79

I see it.

97

, the result quotient is

seven

Return surplus

82

, correct

What is the quotient?

4.

A basket of apples is even heavier than a basket.

48

Kg, take out half of the apples and weigh the basket.

25

Kilogram, how much does the basket weigh?

5.

Xiaohua is calculating.

120

-□÷

five

When, first calculate the subtraction, and then calculate the division, the result is

20

The correct result is

How much/how much?

6.

Turn the page of a book, used.

723

How many pages are there in this book? (From one digit, two digits,

Three digits are calculated separately)

7.

* * * exists on both sides of the street.

100

Every lamppost

2

There is a flower bed between the lampposts. How many people are there on one side of the street?

Flower bed?

8.

Put a long one

17.5

The iron wire of rice was cut into pieces.

three

Duan.

It is known that the first paragraph plus the second paragraph is * * * long.

9.75

rice

,

Add a third paragraph to the second paragraph.

* * * long

10.5

rice. Find the length of the second wire?

9.

keep

12

Apples are arranged in a circle along the round table.

each

2

Put a plate between apples,

How many plates does a * * * put?

10.

The teaching building of Haihua Primary School is located between two adjacent floors.

12

A few steps, Xiao Ming from

1

Louzou

three

Floor, * * * walk more.

A few steps

1 1.

Around ...

40

Plant trees at the same distance near the circular pond at 100 meters.

each

four

Rice plants a tree,

How many trees can a * * * plant?

12.3

×

three

×

three

×

three

×……×

three

(

2000

individual

three

)

What is the last digit of the product?

2

13.

The students are sitting around.

36

Rice resting around the flower bed, every other

2

M sat with a classmate and sat around the flower bed.

How many students?

14.

Xiao Ming's home is on the first floor, and he has to go to every floor.

10

Footsteps, Xiao Ming has gone home.

50

Step, his family lives in

What floor is it?

15.

Lele is calculating.

14

×(□

+3

), write the formula wrong.

14

×□

+3.

The result obtained in this way is consistent with the correct answer.

How much difference?

16.

Fruits shop you

five

A box of apples. If you take it out of every box,

30

Kilogram, then.

five

The remaining weight of the box is exactly equal to

The original weight of two boxes of apples. How many kilograms of apples are there in each box?

17.

digital

three

Fold in half

six

Then subtract it.

nine

, and finally multiply

2

Therefore,

60

What's this number?

18.

Xiaoming lives in Huayuan Building.

nine

Building, one day due to power failure in the building, Xiao Ming went upstairs, and he went from

1

corridor

three

This building is used to

46

A few seconds later, he went from

three

How many seconds does it take to get home from the building?

19.4444

……

four

(

2008

individual

four

six

What is the remainder?

20.

There are three numbers: A, B, C, and the sum of A and B is

94

The sum of a and c is

90

The sum of b and c is.

98

, these three

What is the number?

2 1.

have

six

The numbers in a row, their average value is

29

Previously, it was known that

four

The average is

25

, after that

three

The hierarchy of numbers

The average value is

37

, first

four

What is the number?

22.

There are red, yellow and blue flags of the same size.

180

Face, press

four

Red in the face,

three

Pale yellow,

four

The blue knights.

How many flags are there in three colors?

23.

Dad is older than his son this year.

32

Years old, next year's father's age happens to be his son's.

five

Multiplied by the age of father and son this year.

How much is each?

24.

Xiaojun this year

10

Years old, this fucking year.

Forty two.

Years old, a few years later, Xiaojun's mother is Xiaojun's age.

three

Times?

25.

small

what

buy

View from a height or a distance

1

basis

practise

habit

roll

and

three

branch

lead to

pen

small

Chinese plum

buy

View from a height or a distance

eight

branch

the same

appear

about

lead to

pen

small

only

buy

View from a height or a distance

2 4

Zhang (surname)

paste

draw

three

mankind

use

Go ...

about

money

the same

appear

many

1

basis

practise

habit

roll

wait for

what

number; amount; how many; how much

Zhang (surname)

paste

draw

about

price

money

?

three

26.

existent

five

Yuan RMB

2

Zhang,

10

Yuan RMB

eight

Zhang,

100

Yuan RMB

three

Zhang, you can use these yuan to form a group.

How many different currencies are there? (Tip: When enumerating currency values, you can sort them in descending order. )

27.

The rope is very long.

nine

Rice, continuously folded in half

three

How much is each rope? How much of a meter is each part?

28.A

B

C

D

E

Five students play table tennis round robin (any one of them must compete with other students)

Play games)

After playing the game for a while,

A

Set sail.

four

Field,

B

Set sail.

three

Field,

C

Set sail.

2

Field,

D

match

View from a height or a distance

1

Field, please at this time.

F

How many games have you played?

29.

When Xiao careless calculates decimal subtraction, he puts the percentile of the minuend

six

I see it.

, placed on the restored decimal place.

seven

regard as

1

. So how big is the gap between the correct answer and the wrong answer?

30.

The sum of three consecutive odd numbers is

1 1 1

What are these three numbers?

3 1.

Xiaoming lives on the seventh floor. He goes home and climbs the stairs.

five

Minutes, climbing a floor accounts for a small part of the total time on average? Average climb

How many minutes does the first floor take?

32.2006

year

eight

moon

1

Today is Tuesday,

2006

year

10

moon

1

What day is Sunday?

2006

year

12

moon

1

What about Japan?

33.

Organize military training for sixth-grade students before school starts, and the coach bought it during the holiday.

306

A bottle of drink, rules

1

mankind

1

bottle

Mineral water,

five

mankind

1

A bottle of juice, all students take drinks according to this rule, and finally just divide these drinks. join

How many sixth-grade students are there in this military training?

34.

Some aquatic plants in the pond grow very fast, and the number of aquatic plants on that day is the same as that on the previous day.

2

Time, and know.

30

The pond is full of days,

How many days has the pond area increased?

four

1

?

35.

There is one in the cinema row.

25

One seat, Xiaoying and Xiaohong sit in two adjacent seats in the same row. A * * *, how many ways can I sit?

36.

have

nine

A movie ticket with a serial number, if you want to take it.

three

How many different ways can I get a ticket with a serial number?

37.

a log

nine

Meters, sawed equal.

five

Duan, what do you want?

13

Minutes, how many minutes per lesson? Every part is this piece of wood.

What is the score?

38.

There are red, yellow and blue flags on each side. Choose one side or

2

Facing the flagpole respectively, indicating a kind of

Signal. How many different signals can a * * * represent?