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

Read the following passage, then choose a word from the box and write the correct word next to numbers 1-5. There is one exemple.

       Solar energy is a long lasting source (0)..of.. energy, and it can be used almost anywhere. To generate solar energy, we only need solar cells and (1).....................! Solar cells can easily be installed on house (2) ................., so we don’t need any new space. Compared to other (3)...................... sources, they also possess many advantages: wind and water power rely on turbines which (4).................noisy, expensive and which take up large space. Solar cells are totally silent and (5).......................... As they have no moving parts, they require little maintenance and have a long lifetime.

>...<

Question 1:
K is a prime number and a multiple of 43. What is K?
Answer: K = 

Question 2:
Which of following numbers is prime?

Answer: 

Question 3:
Which of following numbers is composite?

Answer: .

Question 4:
The smallest odd multiple of 9 is 

Question 5:
The number 55 has  factors.

Question 6:
In the following figure, AN = 5cm and AB = 8cm. NB = cm
 

Question 7:
Find the sum of all the factors of 19
Answer: 

Question 8:
In the following numbers, which has the most factors?

Answer: 

Question 9:
How many numbers from 1 to 500 are multiple of 6?
Answer: 

Question 10:
The largest possible whole number that is less than 120 and has only 2 and 5 as prime factors is 

Mark the letter A,B,C or D on your answer sheet to indicate the word OPPOSITE in meaning to the underlined word in the following sentence

The soldier was demoted for improper behavior

A. promoted

B. lowered

C. resigned

D. let off

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?