Câu 1:
9 is the squared of 

Câu 2:
What is the greatest remainder when a number divide by 9?
Answer: 
 

Câu 3:
.

Câu 4:

Câu 5:
100 pupils participate a drawing competition. 58 of them are girls. What percentage of the pupils who participate the competition are boys?
Answer:  %

Câu 6:
The value of  such that .
Answer: 

Câu 7:
Anna is 1.53m tall. What is her height in centimeters?
Answer:  (cm)

Câu 8:
The value of  such that 
Answer: 

Câu 9:
Find the last digit of .
Answer: The last digit of  is 

Câu 10:
Given that the set .
How many elements are there in the set A?
Answer: 

âu 1:
.8¹⁰:8=8^...
Answer: The missing number is 

Câu 2:
The fourth power of 3 is 

Câu 3:
Find the number n such that 2016ⁿ=1.
Answer: 

Câu 4:
What is the greatest remainder when a number divide by 9?
Answer: 
 

Câu 5:
Maria is 10 years old and her sister is 7 years old. In how many years' time will their total age be 41 years?
Answer:  years.

Câu 6:
Anna is 1.53m tall. What is her height in centimeters?
Answer:  (cm)

Câu 7:

5¹⁰x6¹⁰=_________¹⁰

Câu 8:
Find the last digit of 2²⁰¹⁶.
Answer: The last digit of  2²⁰¹⁶ is 

Câu 9:
Find the number n such that 58-2x3ⁿ=4.
Answer: 

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

Câu 10:
Compare:   3¹⁰_______9⁵

Câu 1:
A is a set of multiples of 12 less than 12. How many elements does the set A have?
Answer: The set A has  element(s)

Câu 2:
Find the remainder when  is divided by 9.
Answer: The remainder is 

Câu 3:
Find the remainder of  when it is divided by 3.
Answer: The remainder is 

Câu 4:
A is the set of factor of 12 more than 6. How many elements does the set A have?
Answer: The set A has  element(s)

Câu 5:
Find the natural number  so that the product of  and 5 is a prime number.
Answer: 

Câu 6:
Given that . How many divisors does the number A have?
Answer: The number A has  divisors.

Câu 7:
Given that . How many divisors does the number A have?
Answer: The number A has  divisors.

Câu 8:
How many prime numbers less than 10 are there?
Answer: There are  numbers. 

Câu 9:
Find the greatest 2-digit number that has 12 divisors.
Answer: It is 

Câu 10:
Among all natural number pairs  satisfy , one pair has the greatest product. What is this product?
Answer: The greatest product is 

Câu 1: Given that  is divisible by 9. What is the value of ? 
Câu 2: How many elements of the set A are divisible by 9?
Câu 3:A is a set of multiples of 12 less than 12. How many elements does the set A have?
Câu 4:Find the remainder when  is divided by 3.
Câu 5:Given that 511 is the sum of two prime numbers  and , . What is the value of ?
Câu 6:Given that . Find the value of .
Câu 7:Given that . How many divisors does the number A have?
Câu 8:Find the natural number  so that the product of  and 5 is a prime number.
Câu 9:
Given that . How many divisors does the number A have?
Câu 10:
Given that . How many divisors the number A have?
 

Write the words in number form which consist of: 7 hundred thousands, 6 thousands, 3 hundreds, 4 tens and 2 units.
Answer: 

Câu 2:
Fill in the sequence with the missing number in order to have 3 consecutive natural numbers.
897;  ; 899

Câu 3:
Fill in the sequence with the missing number in order to have 3 consecutive natural numbers.
; 87; 88

Câu 4:
How many single digit numbers are there?
Answer:  numbers.

Câu 5:
6 is just after of 5 and 5 is just before of 6. What is the product of just after and just before of 10?
Answer: 

Câu 6:
Jean has 3014 beads. She has 497 beads less than Gillian. How many beads do they have altogether?
Answer: They have  beads altogether.

Câu 7:
There are 56 apples in a basket.  of them are green and the rest are red. How many red apples are there?
Answer: There are  red apples.

Câu 8:
The perimeter of a square garden is 36m. What is its area?
Answer: Its area is  .

Câu 9:
248 boys and 418 girls were divided into groups of 9. How many groups were there altogether?
Answer:  groups.

Câu 10:
Mr Junior bought 1 magazine, 1 book and 1 pen. The pen costs 5 dollar, the book costs 31 dollar more than the pen. The magazine costs twice as much as the book. How much did he spend on the three things?
Answer: He spent  dollar.