Câu 3:
Calculate: 4m 40cm + 3m 20cm = cm

Câu 4:
 of  is  

Câu 5:
There are 9 boxes of apples. Each box contains 35kg. If we take away 172kg from these boxes, how many kilograms of apples are left?
Answer:  kilograms.

Câu 6:
A tank contained 414l of honey,  of this amount was taken away. How many liters of honey are left?
Answer:  liters.

Câu 7:
The first box contains 350kg of strawberries. The second box contains 50kg of strawberries more than the first one does. How many kilograms of strawberries do the two boxes contain?
Answer: The two boxes contain  kilograms of strawberries.

Câu 8:
A car consumes 12l of gasoline every 100km. How many liters of gasoline does the car consume if it travels a distance of 250km?
Answer:  liters.

Câu 9:
Look at this sequence: 0; 2; 4; 6; 12; 22; 
What number should come next?
Answer: 

Câu 10:
Calculate: 

There are 48 trees were planted into 8 rows, each row has an equal number of trees. How many trees are there in each row?

6
5
4
7
Câu hỏi 2:
There are 200 kilograms of rice in 5 bags. How many kilograms of rice are there in each bag?

44
42
40
45
Câu hỏi 3:
What value is 1713 greater than 3804?

5518
5518
5517
2091
Câu hỏi 4:
Which of the following has the same value as 7500?

75 hundreds
75 ones
75 tens
75 thousands
Câu hỏi 5:
Find the missing number is the following number pattern? 3696, 3796, …, 3996

3897
3896
3795
3798
Câu hỏi 6:
A rectangular parcel of land with a length of 35m, a width of 20m. Find the perimeter of this land parcel

110cm
112cm
100cm
115cm
Câu hỏi 7:
How long does it take the minute hand of a clock to move from the number 6 to the number 9?

20 minutes
10 minutes
15 minutes
25 minutes
Câu hỏi 8:
What is the missing number? 5.40 am is 40 minutes after …am.

1
4
6
5
Câu hỏi 9:
There are 365 days in a year and 7 days in a week. How many whole of weeks are there in a year?

55
52
53
56
Câu hỏi 10:
What time is 7 hours after 1 o’clock?

9 o’clock
11 o’clock
8 o’clock
7 o’clock
Nộp bài

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:
 =  

Question 4:
The perimeter of the following rectangle in centimeter is  cm
 

Question 5:
Convert: m = mm

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

Question 7:
How many natural numbers are not greater than 2005? 
Answer: There are  numbers.

Question 8:
The cost of eight spoons is 4 dollars. How much do 6 spoons cost?

Answer: 6 spoons cost  dollars.

Question 9:
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 

Question 10:
Calculate:  
(Write your answer in the simplest form)

Question 1:
Convert 1m = ..........cm.

Question 2:

Convert 1mm = ............ m

Question 3:

If x is a natural number and 3,8 < x < 4,3 then x = ..............

Question 4:

In the following numbers, which is the greatest?
7,568; 9,265; 8,975; 7,689; 9,256
Answer:
The greatest number is .............

Question 5:

In the following numbers, which is the smallest?
4,92; 5,84; 4,85; 8,54; 4,58; 5,48
Answer:
The smallest number is ...............

Question 6:

Convert: 5km 2m = ............. km.

Question 7:

If m is a even number and 81,32 > m > 78,54 then m = .......

Question 8:

Use all the digits below to form the decimal number that is smaller than 5.
2; 5; 9; 4; 8
How many such numbers are there?
Answer:
There are ........... numbers.

Question 9:

Fill in the blank with the suitable sign (>, <, =)
Compare:
76,5 ......... 75,66

Question 10:

Compare: 31,040 ........... 31,04

Câu hỏi 1:
The average of three numbers is 1988. The first number is 1984. The third number is 2 units more than the second number. Find the third number.

Câu hỏi 2:
The average of 5 consecutive odd numbers is 123. Find the greatest number.
Câu hỏi 3:
Which of the following fractions is equal to 2/3?

Câu hỏi 4:
The average of two numbers is 95. The first number is 2/3 of the second number. Find the first number
Câu hỏi 5:
Fill in the blank with the correct number: 6/100 kg = .... kg

Câu hỏi 6:
The sum of two fractions is 45/23 and the first fraction is one quarter of the second fraction. Find the first fraction.

Câu hỏi 7:
The sum of twonumbers is 463 and three are eighteen even numbers between these numbers. Find the greater number.

Câu hỏi 8:
Which of the following fractions is the greatest number?

Câu hỏi 9:
The average of two numbers is 95. The first number is 2/3 of the second number. Find these two numbers.

Câu hỏi 10:
The sum of the number of lions and monkeys in a zoo is 40 and lions are 1/3 the number of monkeys. How many monkeys are there in the zoo?
 

Question 1:
Calculate: 626.35+525.36 = 

Question 2:
There are 60 seats on a train. 40% of the seats are empty. How many empty seats are there in the train?
Answer: There are  empty seats.

Question 3:
Convert:   

Question 4:

The perimeter of the circle is cm
(Write your answer by decimal in the simplest form)

Question 5:
The area of the trapezoid below is 100 m2. Find x

Answer: x = 

Question 6:
Calculate: 23.76+18.52+16.24+41.48 = 

Question 7:
14 hours 25 minutes – 7 hours 45 minutes =  hours 40 minutes

Question 8:

The value of m is 

Question 9:
Form the smallest 5 – digit odd number using all the digits below.

Answer: 

Question 10:
Find N such that 
Answer: N = 

Fill in the blank with the suitable number

Question 1:
Complete the table 
(Write your answer in the simplest form)

Answer: 

Question 2:
The denominator of the fraction  is 

Question 3:

The correct number fill in the box is 

Question 4:
Convert: kg = g

Question 5:
The sum of two numbers is 156 and their ratio is . The smaller number is 

Question 6:
Calculate:  
(Write answer in the simplest form)

Question 7:
The cost of 6 flowers is 8 dollars. How much does Mrs. Emily pay for 9 flowers? 
 Answer: She pays  dollars.

Question 8:

The correct number fill in the blank is 

Question 9:
The least common denominator of two fractions  and  is 

Question 10:
A square of side 8cm has the same perimeter as a rectangle. If the ratio of the width of the rectangle to its length is 1:3 then its area is  

ill in the blank with the suitable number

Question 1:
Find x such that x:6=13
Answer: x =

Question 2:
How many goldfish are there?

Answer: There are goldfish.

Question 3:
Convert: 6cm = mm

Question 4:
If x:5=32 then x =

Question 5:
There are six students in a drawing class. Each student draws a picture as same as the picture below. How many stars do they draw in all?


Answer: They draw stars in all.

Question 6:
The perimeter of the triangle below is cm

 

Question 7:
Jennifer has 4 chocolate boxes. There are 12 chocolate bars in each box. How many chocolate bars does she have?
Answer: She has chocolate bars.
 

Question 8:
Find y such that y:6=32:4
Answer: y =

Question 9:
A even 2 – digit number has a digit 4 in the tens place.It is greater than 46. What is it?
 Answer: It is

Question 10:
The product of 40 and a number, m, is a 2- digit number that greater than 40. The value of m is

Fill in each space in the following passage with one suitable word.(10point) 
We are destroying the Earth. The seas and rivers are (1)______dirty to swim in. There is too (2)_____smoke in the air many cities in the world. We are cutting( 3)____too many trees. We (4)_____burning the forests. We are also destroying (5)___ of plants and (6)_____.Many areas ( 7)______Earth are wasteland . Farmers in many parts of the world can not ( 8)_____enough to eat. In some countries (9)___ is too little rice . The Earth is in (10)_____ Save the Earth