Câu 5:
What is your answer if you add 32 tens and 18 ones to the difference of 5000 and 32 hundreds?
Answer: Your answer is 

Câu 6:
Subtract 85 from the sum of 2348 and 788. How many tens are there in the result?
Answer: 

Câu 7:
Find the difference between 10 thousands and 736 tens.
Answer: The difference is 

Câu 8:
Joanne is 28 years older than Melvin. Mabel is 16 years younger than Joanne. If Mabel is 43 years old, find the total age of them.
Answer:  years old.

Câu 9:
Mark has 68 more books than Michael. Tom has 21 fewer books than Mark. They have 865 books in all. How many books does Mark have?
Answer: Mark has  books.

Câu 10:
An MTR train left Kovan Station with 259 male and 678 female passengers. At Hougang Station, 588 passengers alighted and only 30 female passengers boarded the train. How many passengers were there in the train then?
Answer:  passengers.

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.

 If 1893-m=1257 then m=

.

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Câu 3

   Four numbers 7922; 3896; 7897; 3893 are on a board. What is the difference between the largest odd number and the smallest even number?

Answer:The difference is

.

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Câu 4

 If 3241-m=187 then m=

.

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Câu 5

   I add 356 to a number.  The result is twice the difference of 4252 and 169. What is the number?

Answer:The number is

.

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Câu 6

   What is my answer if I add 32 tens and 18 ones  to the difference of 5000 and 32 hundreds?

Answer: My number is

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Câu 7

   Joanne is 28 years older than Melvin. Mabel is 16 years younger than Joanne. If Mabel is 43 years old, find the total age of them.

Answer:

years old.    

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Câu 8

   Subtract 85 from the sum of 2348 and 788.  How many tens are there in the result?

Answer:

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Câu 9

   How many 2 – digit numbers from 11 to 27?

Answer:

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Câu 10

   Mr Tan is 35 years older than his son now and Mrs Tan is 8 years younger than Mr Tan. 10 years ago, his son was 17 years old.  Find the total age of them now. 

Answer:

years old. 

Exam number 1                                                                                                  

Fill in the blank with the correct number

Question 1:
Divide 2016×2016 by 2016. The quotient is .....

Question 2:
Subtract 346 from 752.
Answer: ....

Question 3:
Study the pattern.
88:8=11  
880:8=110 
8800:8= ? 
The missing number is .....

Question 4:
Express seventy thousand, four hundred and nine in numerals.
Answer: .....

Question 5:
The product of 2 different natural numbers is 9. Their sum is .....

Question 6:
100 hundreds + 1000 tens = ...... ones

Question 7:
The ratio of boys to girls at a school is 5:4. If there are 255 boys at the school then how many students are there at the school? 
Answer:  ...... students.

Question 8:
If two dozen pencils cost 12 dollars then .... pencils cost 2 dollars.

Question 9:
Peter and John played in fifteen rounds game. In each round, the winner scored 5 points and the loser scored 2 points. At the end of the game, John’s total score was 57 points. How many rounds did Peter win?
Answer: ..... rounds.

Question 10:
If we write all of the whole numbers from 10 through 99 and cross out any number in which the first or second digit is divisible by 2 (for example, 41 is crossed out as 4 is divisible by 2 and 36 is crossed out as 6 is divisible by 2), how many numbers are crossed out?

Answer: ....  numbers.