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Mua vip
DH
Đỗ Hồng Anh
1 tháng 3 2017 - olm
Câu hỏi hay

Exam number 1: Đi tìm kho báu

Question 1:
There are 40 students in Mrs. Brown's class. 25% of her students received a B on the test. How many students received a B?

  • a. 10
  • b. 12
  • c. 18
  • d. 20

Question 2:

What is the product of 3.05 and 2.8?

  • a. 8.54
  • b. 8.056
  • c. 8.56
  • d. 8.054

Question 3:

A clothing shop is having a 40% off sale. How much would Jane have to pay for a $30 sweater with a 40% discount?

  • a. $18
  • b. $20
  • c. $50
  • d. $13

Question 4:

If a pen costs $1.75 and an eraser costs $0.85, which of the following is the cost of 10 erasers and 5 pens?

  • a. $21.75
  • b. $26
  • c. $18.75
  • d. $17.25

Question 5:

If the area of the rectangle ABCD is 60cm2 then the area of the trapezoid MNCD is ..........cm2.

 

  • a. 48
  • b. 50
  • c. 45
  • d. 54
#Toán lớp 5
100
DT
Đội tuyển Toán và cô giáo Lệ lớp 5b
6 tháng 3 2017

1a;2a;3a;4d;5b

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TT
Trương Thị Hoa Hường
2 tháng 3 2017

Question 1) a

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TL
Thùy Linh
12 tháng 4 2015 - olm
1: the perimeter of a circle is 15,7 dm. Its's area is...cm22: the ratio of the number of girls to the number of boys in a classroom is 5:4. When 10 girls left the classroom, the ratio of the number of boys to the number of girls became 4:3. How many students were in the classroom at first?3: 47/250 dm3=...cm34: At the party 60% of the boys are dancing with 80% of the girls. How many people are dancing if there are 35 people ( A pair cludes only one boy and one girl)5: An aquarium is 8dm deep,...
Đọc tiếp

1: the perimeter of a circle is 15,7 dm. Its's area is...cm2

2: the ratio of the number of girls to the number of boys in a classroom is 5:4. When 10 girls left the classroom, the ratio of the number of boys to the number of girls became 4:3. How many students were in the classroom at first?

3: 47/250 dm3=...cm3

4: At the party 60% of the boys are dancing with 80% of the girls. How many people are dancing if there are 35 people ( A pair cludes only one boy and one girl)

5: An aquarium is 8dm deep, 12 dm long and 0,3 m wide. What is the volume of the aquarium in cubic centimeter?. Answer: the volume of the aquarium is...cm3
#Toán lớp 5
2
TM
trần minh quân
19 tháng 4 2015
  1. 1962,5 cm2
  2. 45 học sinh
  3. 188 cm3
  4. 24 người
  5. 288000 cm3
Đúng(0)
NM
Nguyễn Mai Hương
10 tháng 3
  1. 1962,5 cm2
  2. 45 học sinh
  3. 188 cm3
  4. 24 người
  5. 288000 cm3
Đúng(0)
NR
Nico Robin
13 tháng 2 2017 - olm

there are 40 students in Mrs. Browm's class.25 % of her students received a B on the test . how many students received a B
#Toán lớp 5
3
M
Manix
13 tháng 2 2017

The number of students recived the B is : 

40 x 25 % = 10 ( students )

Ans : 10 students

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AK
Anh Kiệt TrầnVũ
13 tháng 2 2017

 ta lấy 40 nhân 25 rồi chia cho 100

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BC
belle case
7 tháng 11 2016 - olm

there are 40 students in Mrs.Brown's class.25% of her students received a B on the test .how many students received a B?
#Toán lớp 5
2
TB
Trần Bảo Ngọc
7 tháng 11 2016

There are 10 students in received B

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BC
belle case
7 tháng 11 2016

làm thế nào mà bạn tính giá được vậy bạn có thể viết phép tính ra được không

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DK
Dragoon Knight
2 tháng 4 2015 - olm
Fill in the blank with the suitable numberQuestion 1:There are 49 students in a class. Boy students are  the number of girl students. There are  girl students in this class.Question 2:Calculate: The value of A is Question 3:Calculate: The value of A is Question 4:Jessica is 8 years old. Her grandmother is  of her age. How old is Jessica's grandmother?Answer:  years old.Question 5:If the sum of denominator and numerator of a fraction is 52 and the denominator is 18 units more than the numerator...
Đọc tiếp

Fill in the blank with the suitable number

Question 1:
There are 49 students in a class. Boy students are  the number of girl students. There are  girl students in this class.

Question 2:
Calculate: 
The value of A is 

Question 3:
Calculate: 
The value of A is 

Question 4:
Jessica is 8 years old. Her grandmother is  of her age. How old is Jessica's grandmother?
Answer:  years old.

Question 5:
If the sum of denominator and numerator of a fraction is 52 and the denominator is 18 units more than the numerator then the numerator is 

Question 6:
Find two consecutive even numbers if the first number is  of the second number.
Answer: The second number is 

Question 7:
Calculate: 
The value of A is 

Question 8:
How many natural numbers not greater than 1665 which are divisible by 5?
Answer:  numbers

Question 9:
If  then  is 

Question 10:
The sum of three consecutive even numbers is 960. The greatest numbers is 
    #Toán lớp 5
    1
    DM
    Đỗ Minh Tú
    2 tháng 4 2015

    sir, this is the place to learn math, not english offline. If you want to learn English is very wed page: ioe.vn

    Đúng(0)
    NT
    Nguyen Tuan Minh
    2 tháng 10 2016 - olm
    1>My class of 32 students are going to a Fun Fair for children and need to buy entrance tickets for each student. The price of an entrance ticket is 5,000 dong. The good news is that when we buy 5 tickets, the Fun Fair gives us 1 extra ticket for free. How much does my class have to pay to buy enough tickets for the whole class?2>Minh’s family needs to tile the floor of a rectangular room, 5 m in length and 3.8 m in width, with square tiles. The length of the side of each tile is 0.5 m. Each...
    Đọc tiếp

    1>My class of 32 students are going to a Fun Fair for children and need to buy entrance tickets for each student. The price of an entrance ticket is 5,000 dong. The good news is that when we buy 5 tickets, the Fun Fair gives us 1 extra ticket for free. How much does my class have to pay to buy enough tickets for the whole class?

    2>Minh’s family needs to tile the floor of a rectangular room, 5 m in length and 3.8 m in width, with square tiles. The length of the side of each tile is 0.5 m. Each of the tiles close to the wall, if not a whole one, is cut from a whole tile. The total number of tiles needed to tile the room is ?

    3>A student cycles from home to school in a distance of 1,200 m with speed of 2.5 m/s. There are 4 crossroads on the way; the time to stop for red lights at each crossroad is 30 s the longest. The longest time it takes the student to reach school is?

                                   
    #Toán lớp 5
    1
    PA
    Phạm Ánh Minh
    14 tháng 5 2018

    1. 6 kets = 25.000đ (5.000đ x 5), 32 : 6 = 5 and 2 kets, 25.000đ x 5 = 125.000đ + 2 x 5.000đ = 135.000đ

    2. (5 x 3.8):(0.5 x 0.5) = 76

    3. 1,200 : 2.5 = 480s + 30s x 4 = 600s = 10 minutes

    Đúng(0)
    NT
    Ngô Thu Hương
    29 tháng 2 2016 - olm
    Fill in the blank with the suitable sign (>; =;<)Question 1:Compare: 3kg 50g  3500gQuestion 2:Compare: A =  and B = Answer: A  BFill in the blank with the suitable numberQuestion 3:Calculate:  (Write your answer in the simplest form)Question 4:Divide:  (Write your answer in the simplest form)Question 5: =  Question 6:The sum of denominator and numerator of a fraction is 91 and the fraction is equal to . The denominator of the fraction is Question 7:The cost of eight spoons is 4 dollars. How...
    Đọc tiếp

    Fill in the blank with the suitable sign (>; =;<)

    Question 1:
    Compare: 3kg 50g  3500g

    Question 2:
    Compare: A =  and B = 
    Answer: A  B

    Fill in the blank with the suitable number

    Question 3:
    Calculate:  
    (Write your answer in the simplest form)

    Question 4:
    Divide:  
    (Write your answer in the simplest form)

    Question 5:
     =  

    Question 6:
    The sum of denominator and numerator of a fraction is 91 and the fraction is equal to . The denominator of the fraction is 

    Question 7:
    The cost of eight spoons is 4 dollars. How much do 6 spoons cost?

    Answer: 6 spoons cost  dollars.

    Question 8:
    6km 32m = …m
    The missing number is 

    Question 9:
    In the following figure, ABED and BCFE are square. If the perimeter of the rectangle ACFD is 54cm then its area is  
     

    Question 10:
    The sum of the page number of the last 3 pages of a book is 369. What is the last page number?
    Answer: The last page number is 
    #Toán lớp 5
    0
    MF
    Millefiori Firianno Biscotti
    15 tháng 6 2016 - olm

    Question 1:

    A clothing shop is having a 40% off sale. How much would Jane have to pay for a $30 sweater with a 40% discount?

     
    #Toán lớp 5
    4
    NM
    Ngô Mi Lê
    9 tháng 2 2017

    $18 nha bạn

    k cho mk nha

    Đúng(0)
    NT
    Ngô Thu Thủy
    15 tháng 2 2017

    Cách làm thế nào dậy, nói ra thì mình mới biết chớ.

    Đúng(0)
    HK
    Hoàng Khắc Trung
    22 tháng 9 2021 - olm
    Question 4: If a pen costs $1.75 and an eraser costs $0.85, which of the following is the cost of 10 erasers and 5...
    Đọc tiếp

    Question 4: If a pen costs $1.75 and an eraser costs $0.85, which of the following is the cost of 10 erasers and 5 pens?
    #Toán lớp 5
    13
    MT
    Minh Tú
    22 tháng 9 2021

    ko hỉu viết tiếng việt đi

    Đúng(0)
    LT
    Lê Trọng Quân
    22 tháng 9 2021

    đr viết Tiếng việt ik , Tiếng anh hok hiểu

    Đúng(0)
    DK
    Dragoon Knight
    2 tháng 4 2015 - olm
    Question 1:Compare:  Question 2:Compare: A =  and B = Answer: A  BFill in the blank with the suitable number Question 3:Calculate: The value of A is  Question 4:Calculate: The value of A is  Question 5:Find two consecutive even numbers if the first number is  of the second number.Answer: The second number is  Question 6:There are 49 students in a class. Boy students are  the number of girl students. There are  girl students in this class. Question 7:How many natural numbers not greater...
    Đọc tiếp

    Question 1:
    Compare: 

     

    Question 2:
    Compare: A =  and B = 
    Answer: A  B

    Fill in the blank with the suitable number

     

    Question 3:
    Calculate: 
    The value of A is 

     

    Question 4:
    Calculate: 
    The value of A is 

     

    Question 5:
    Find two consecutive even numbers if the first number is  of the second number.
    Answer: The second number is 

     

    Question 6:
    There are 49 students in a class. Boy students are  the number of girl students. There are  girl students in this class.

     

    Question 7:
    How many natural numbers not greater than 1665 which are divisible by 5?
    Answer:  numbers

     

    Question 8:
    Calculate: 
    The value of A is 

     

    Question 9:
    How many 3 - digit numbers are divisible by 2, 3 and 5?
    Answer:  numbers.

     

    Question 10:
    If  then  is 

     
    #Toán lớp 5
    2
    TN
    Trịnh Nguyễn Tuấn Anh
    9 tháng 4 2015

    I'm sorry to say that I don't see any mathematical expressions. And you should translate your questions into Vietnamese so all people can answer them.

    Đúng(0)
    NH
    Nguyễn Hà Linh
    6 tháng 8 2016

    I am very sorry but I cannot see any numbers to answer your questions

    Đúng(0)
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