Vong 4
Exam number 1: Đi tìm kho báu
Question 1: 2 minutes 30 seconds = ......... seconds
Question 2:
Calculate: 3512 + 4231 = .........
Question 3:
The value of 6132 + 1584 is ........
Question 4:
Subtract: 7000 4325 = ...........
Question 5:
Find x such that x 582 = 964 Answer: x = .........
ị ằ ọ ặ Exam number 2: Ch n các c p giá tr b ng nhau
ậ ố ứ ự ủ ể ượ ỗ ấ ị ằ ặ ị Answer: (1) = ......; (2) = ......; (3) = .....; (4) = ....; (5) = .....; (6) = ......; (10) = ......; (11) = .......; (13) = .......; (17) = ..... Nh p s th t c a các giá tr vào ch ch m đ đ c các c p giá tr b ng nhau
ượ ướ Exam number 3: V t ch ạ ậ ng ng i v t
Question 1: If m = 16 and p = 75 then m + p = .........
Question 2:
Write >; =; <: 3676 + 2015 ....... 2015 + 3676
Question 3:
If a = 6 and b = 12 then 15 + a x b = .........
Question 4:
There are 786 boy students and 572 girl students in a school. How many students are there in the school? Answer: There are ......... students.
Question 5:
Think of a number that when you add 130 to it the answer will be 500. This number is ...........
Vong 3\
Bài 1: Fill in the blank with the suitable number
Question 1: How many hours are there in 4 days? Answer: There are ............. hours.
Question 2:
Calculate: 672g – 276g = ........... g.
Question 3:
How many years are in 3 century? Answer: There are ............ years.
Question 4:
There are ................ days in May.
Question 5:
Emily write down how many kilometers she walked each day.
How many kilometers did she walk on Sunday? Answer: ............ kilometers.
Question 6:
765 + … = 459 + 541 The missing number is ..........
Question 7:
Write fortysix thousand and fifty using digits. Answer: ................
Bài 2: Cóc vàng tài ba: Choose the most suitable answer in 4 available answers.
Question 1: 1/4 century = ........... years. The missing number is .............. (cid:0)
(cid:0)
(cid:0)
(cid:0) A. 20 B. 30 C. 25 D. 15
Question 2:
What time does the clock shown?
(cid:0)
(cid:0)
(cid:0)
(cid:0) A. 6: 20 B. 4: 06 C. 4: 30 D. 6: 25
Question 3:
Find x such that x + 215 = 432 Answer: x = .......... (cid:0)
(cid:0)
(cid:0)
(cid:0) A. 657 B. 647 C. 217 D. 227
Question 4:
5kg = ........... g. The missing number is ............... (cid:0)
(cid:0)
(cid:0)
(cid:0) A. 5000 B. 50 C. 50000 D. 500
Question 5:
(cid:0)
(cid:0)
(cid:0)
(cid:0) A. 75 B. 79 C. 77 D. 76
Question 6:
5250g + 1750g = ............kg The missing number is .............. (cid:0)
(cid:0)
(cid:0)
(cid:0) A. 7 B. 100 C. 70 D. 10
Question 7:
If m = 7 then 2000 x 3 + 2000 x m = .......... (cid:0)
(cid:0)
(cid:0)
(cid:0) A. 9000 B. 20000 C. 2000 D. 20000
Question 8:
The average of 75 and M is 82. The value of M is ............ (cid:0)
(cid:0)
(cid:0)
(cid:0) A. 89 B. 86 C. 85 D. 79
Question 9:
Today is September 2nd, four days ago is ............ (cid:0)
(cid:0)
(cid:0)
(cid:0) A. August 28th B. August 30th C. August 29th D. August 27th
Question 10:
(cid:0)
(cid:0)
(cid:0)
(cid:0) A. 6 B. 3 D. 5 C. 4
Vong 5
Exam number 1: Fill in the blank with the suitable number.
Question 1: Calculate: 91625−27356 = ............
Question 2:
Find the sum of following numbers: 31247 23564 18192 Answer: .................
Question 3:
The sum of two numbers is 47 and their difference is 15. The smaller number is ...............
Question 4:
Fill missing number in the blank 54723 + .......... = 27849 + 54723
Question 5:
Find the value of m n + p for m = 9253; n = 3149 and p = 2674 Answer: m n + p = ..............
Question 6:
Find the value of 2356 + a b for a = 1482, b = 3105 Answer: .............
Question 7:
Find the value of m + n p for m = 9253, n = 3149 and p = 2674 Answer: m + n p = ...........
Question 8:
Find y such that y 12358 = 18031 Answer: y = .............
Question 9:
Find the value of b such that Answer: b = ..............
Question 10:
The perimeter of a rectangle is 58cm and its width is 13cm less than its length. Its width is .......... cm.
Exam number 2: Cóc vàng tài ba
Question 1: Choose the straight angle:
(cid:0) a.
(cid:0)
(cid:0) b. c. (cid:0)
Question 2:
Which is the product of 30 and 8? (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 220 b. 240 c. 210 d. 230
Question 3:
The greatest even 2digit number is ........... (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 97 b. 96 c. 98 d. 99
Question 4:
When 47 is divided by 3, the remainder is ............ (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 2 b. 0 c. 3 d. 1
Question 5:
Choose the correct number fill in the blank: 2; 4; 12; 48; ...... (cid:0) a. 84
(cid:0)
(cid:0)
(cid:0) b. 144 c. 240 d. 96
Question 6:
If the perimeter of a square is 2800m then each of its side is ......... m. (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 70 b. 600 c. 60 d. 700
Question 7:
The sum of two numbers is 76 and their difference is 22. The smaller number is ............ (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 27 b. 53 c. 50 d. 49
Question 8:
When N is divided by 12, the remainder is 9. When N is divided by 6, the remainder is ....... (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 2 b. 0 c. 4 d. 3
Question 9:
How many hours make up 2 weeks? (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 186 b. 336 c. 363 d. 168
Question 10:
How many hours make up 14400 seconds? (cid:0)
(cid:0)
(cid:0) a. 240 b. 4 c. 2
(cid:0) d. 120
Exam number 3: Sắp xếp theo thứ tự tăng dần
Answer: (12) < ..... < ...... < ...... < ........ Nhập số thứ tự của các ô vào chỗ (....) cho thích hợp để được dãy số tăng dần
Vong6
Exam number 1: Choose 2 consecutive cells which have the same or equal value.
ể ượ ỗ ấ c a các ô vào ch ch m cho thích h p đ đ ị ặ c các c p giá tr
Answer: (1) = .........; (2) = ..........; (3) = ...........; (4) = ...........; (6) = ..........; (7) = ..........; (10) = ...........; (11) = ..........; (12) = ..........; (13) = ............ ợ ề ố ứ ự ủ Đi n s th t ằ b ng nhau.
Exam number 2:
Question 1: Convert 40kg = ...........g.
Question 2:
Convert: 9050000g = .............. kg.
Question 3:
Multiply 95 x 100 = ...............
Question 4:
Multiply: 27635 x 6 = .............
Question 5:
If x : 100 = 7200 then x = ................
Question 6:
Calculate: 7 x 3109 + 3 x 3109 = ..............
Question 7:
Sophia has three $100 notes. She also has six $10 notes and ten $2 notes. How much money does she have in total? Answer: She has $............
Question 8:
One pack of pencils has 11 pencils. Two other packs have 15 pencils each. The total number of pencils in these three packs is .............. pencils.
Question 9:
Find the value of x such that x : 7 = 3152 Answer: x = ................
Question 10:
The sum of two numbers is 372 and their difference is 102. The smaller number is ...................
Exam number 3:
Question 1: Multiply: 147 x 20 = ............ (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 1470 b. 147 c. 294 d. 2940
Question 2:
Which of following is true?
(cid:0)
(cid:0)
(cid:0)
(cid:0) a. 30dm2 = 3000cm2 b. 5m2 = 50dm2 c. 40m2 = 4000cm2 d. 20dm2 = 2000cm2
Question 3:
Which of following is the greatest? (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 50cm2 b. 401cm2 c. 4dm2 10cm2 d. 4dm2
Question 4:
If z : (20 1) = 38 then z = .................. (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 272 b. 277 c. 727 d. 722
Question 5:
Peter earns $15214 per month and Jane earns $14786 per month. How much do they earn per 10 months together? (cid:0)
(cid:0)
(cid:0)
(cid:0) a. $300 b. $300000 c. $30000 d. $3000
Vong 7
Exam number 1: Fill in the blank with the suitable number.
Question 1: Mary has 30 packs of candies. There are 11 candies in each pack. Mary has .......... candies in all.
Question 2:
Calculate: 2015 + 99 x 2015 = ...........
Question 3:
Convert: 3m2 = ..............cm2
Question 4:
42 x 11 = ...........
Question 5:
300m2 + 400m2 = .............. dm2
Question 6:
The sum of two numbers is 156 and their difference is 12. What is the smaller number? Answer: ...............
Question 7:
The value of M = (125 x 4 + 500 : 2) x 100 is ............
Question 8:
The clock shows the last time Anna saw before she sleeps. She wakes up at 6:15am. How long did she sleep? Answer: She slept ............. minutes.
Question 9:
If the number 386a is divisible by 6 then a = ............
Question 10:
Arrange the digits in the number 371059 to form a new number with the greatest value. Answer: ..............
Exam number 2:
Question 1: Calculate: 205 x 3 + 205 x 7 = .............. (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 2050 b. 2005 c. 20050 d. 20500
Question 2:
The average of 57 and M is 43. The value of M is .................. (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 14 b. 29 c. 71 d. 35
Question 3:
Which of following number is divisible by 9? (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 63636 b. 9991 c. 54720 d. 36363
Question 4:
13000cm2 = ............ dm2. The correct number fill in the blank is ............. (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 1300 b. 130000 c. 13 d. 130
Question 5:
John forgot the number of people at volleyball game. He remembers that the number had a digit 5 in the tens place. Which of following number could John be thinking of? (cid:0)
(cid:0)
(cid:0) a. 5312 b. 1253 c. 1325
(cid:0) d. 1523
Question 6:
Orange Hill is 578 feet high. Banana Hill is 235 feet high. How many feet higher is Orange Hill more than Banana Hill? (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 344 feet b. 434 feet c. 813 feet d. 343 feet
Question 7:
If the cost of 5kg of coffee is $160 then the cost of 8kg of coffee is ............ (cid:0)
(cid:0)
(cid:0)
(cid:0) a. $248 b. $264 c. $256 d. $250
Question 8:
Write the following as a numeral: nine hundred thousand (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 90000 b. 990000 c. 9900 d. 900000
Question 9:
John has 15 candies and Tom has 31 candies. How many candies does Tom need to give to John so that each boy will have the same number of candies? (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 4 b. 16 c. 8 d. 10
Question 10:
Choose the best answer to fill the "??" mark.
(cid:0) a. a
(cid:0)
(cid:0)
(cid:0) b. b c. c d. d
Vong 8
Exam number 1: Fill in the blank with the suitable number (Note: write decimal number with "the comma" between number part and fraction part. Ex: 0,5)
Question 1: A pillow costs 20 dollars. Sophia has to pay ......... dollar for 12 such pillows.
Question 2:
How many hours are in 1/4 of two days? Answer: .......... hours.
Question 3:
What could you add to 35 to make 60? Answer: This number is ...............
Question 4:
A girl can play 66 notes every minute on average. She can play ........ notes in 20 minutes.
Question 5:
15 boxes of chocolate candies have 420 candies in the total. How many candies are there in each box? Answer: .......... candies.
Question 6:
Angela is learning to play the violin. She practices 50 minutes a day on Tuesday and Thursday. On Saturday she practices for one and a half hours. How much times per week Angela spend practicing violin? Answer: .......... minutes.
Question 7:
There are ........... six digit numbers.
Question 8:
The sum of these numbers:
is .............
Question 9:
The last digit of the product: 1 x 3 x 5 x ....... x 999 is ...........
Question 10:
The pages of a book are numbered consecutively from 1 through 120. There are ............ digits are there in this numbering.
ằ Exam number 2: Choose 2 consecutive cells which have the same or equal ặ value. (Tìm c p b ng nhau)
ậ ố ứ ự ể ượ ỗ ấ ị ằ ặ Answer: (1) = ......; (2) = ........; (3) = .....; (4) = .......; (5) = ........; (6) = .......; (7) = ......; (8) = ......; (9) = ......; (12) = ...... Nh p s th t c các c p giá tr b ng nhau. các ô vào ch ch m đ đ
ượ ướ ng
Exam number 3: Your car has to pass 5 obstacles to finish. (V t ch ạ ậ ng i v t)
(cid:0)
(cid:0)
(cid:0)
(cid:0) Question 1: What number should replace the question mark ? 67 + ? = 230 a. 153 b. 133 c. 163 d. 143
Question 2:
What would result is the greatest number? (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 1450 + 7245 b. They are the same c. 7245 + 1450 d. 7250 + 1445
Question 3:
John played a total of 30 soccer games during the months of June, July and August. He played 9 games in June and 10 in July. Which month did he play the most games? (cid:0)
(cid:0)
(cid:0)
(cid:0) a. May b. June c. August d. July
Question 4:
What fraction of the fence is orange?
Answer: ..................... Write the fraction in the simplest form.
Question 5:
A football team has $140 to buy balls. Once ball costs $8. What is the largest number of balls the team can buy? Answer: .............. balls.
Vongb 9
Exam number 1: Fill in the blank with the suitable number
Question 1: Mary reads four books every month. She is busy and reads only one book on March. On September, she takes a break and does not read any books. What is the number of books that Anna reads in one year? Answer: She reads ......... books.
Question 2:
Four boxes of chocolate candies are equivalent to eight hundred candies. The number of candies is the same for all boxes. How many candies are in each box? Answer: There are ...... candies in each box.
Question 3:
If y is a natural number and y/9 < 7/12 then the greatest value of y is ...........
Question 4:
5/4 of 2 kg is ........... g.
Question 5:
Calculate: (247 x 315 + 246 x 314) x (98 x 47 94 x 49) = ............
Question 6:
If x is a natural number and 7/9 < x/12 then the smallest value of x is ............
Question 7:
The product of four consecutive natural numbers is 570024. Their sum is ...............
Question 8:
The smallest number such that the product of all it's digits is 20 is ............
Question 9:
If B is not divisibly by 24 and B is the greatest 5digit number that the sum of all digits is 21 then B = ...........
Question 10:
If 324/483 = 108/x then the value of x is ...............
Exam number 2: Help the Miners to go through the maze by answering questions to reach the destination. (Đi tìm kho báu)
Question 1:
Calculate:
Question 2:
Add and simplify your answer: 1/5 + 3/10 + 1/2 = .............
Question 3:
Find x if Answer: x = ........... Write the fraction in the simplest form.
Question 4:
Calculate: 7/45 + 5/3 7/5 = ........... Write the fraction in the simplest form.
Question 5:
Find y if y x 168 = 23 + 25 + 27 + ..... + 105 Answer: y = ............
Exam number 3: Choose the most suitable answer in 4 available answers. (Cóc vàng tài ba)
Question 1: Which of the following calculations euqals 5/36? (cid:0)
(cid:0)
(cid:0) a. 1/2 + 1/3 x 1/6 b. 1/9 + 5/12 7/18 c. (1/2 + 1/3) : 1/6
(cid:0) d. 1/2 + 1/3 : 1/6
Question 2:
Jane bought 4 products on 2 types. Their price was shown in the table:
She paid $80 and had $5 left. How many products on type 1 did she buy? (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 1 b. 4 c. 3 d. 2
Question 3:
Which of the following fractions is the greatest? (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 8/15 b. 7/12 c. 17/30 d. 1/2
Question 4:
Sara's car weighs 41/6 tons and Anna's car weighs 3 tons. Which of the following statements is true? (cid:0)
(cid:0)
(cid:0)
(cid:0) a. Anna's car weighs 25/6 tons more than Sara's car. b. Sara's car weighs 25/6 tons more than Anna's car. c. Anna's car weighs 23/6 tons more than Sara's car. d. Sara's car weighs 23/6 tons more than Anna's car.
Question 5:
The sum of odd numbers from 823 to 2015 is .............. (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 818763 b. 847143 c. 845724 d. 844305
Question 6:
Let A = abc x dec. Which of the following numbers can not be A?
(cid:0)
(cid:0)
(cid:0)
(cid:0) a. 40302 b. 27336 c. 53064 d. 72541
Question 7:
Which of the following numbers is in the sequence: 25; 28; 31; 34; 37; .......... (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 2014 b. 22 c. 1235 d. 16
Question 8:
Bob buys three times as many apples as Peter. Mia buys 7 apples more than Bob and 19 apples more than Peter. How many apples do they buy together? Choose the correct answer. (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 26 apples b. 37 apples c. 49 apples d. 51 apples
Question 9:
How many natural numbers between 1000 and 4000 are there for which the thousands digit equals the sum of the other three digits? Answer: There are ....... numbers. (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 20 b. 19 c. 16 d. 12
Question 10:
Let M = 91011121314..... (M is written by consecutive natural numbers) If M has 175 digits then when M divided by 5, the remaider is .......... (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 2 b. 1 c. 0 d. 3
Vong 10
Exam number 1: Fill in the blank with the suitable sign (>, <, =)
Question 1: 4567/6789 ............ 3456/5678
Fill in the blank with the suitable number:
Question 2: Professor Ngo Bao Chau was born in 1972. He was born in the .......... th century.
Question 3:
1818/2727 of 2376 is ...........
Question 4:
Find x such that: x + 17 x 12 = 216 Answer: x = ...........
Question 5:
Three oranges are weighted in pairs and these weights are 400; 412; and 424 gram. What is the weight of the lightest orange? Answer: The weight of the lightest orange is .......... gram.
Question 6:
The area of a rectangle increased by 57cm2 when each side increases by 3cm. The perimeter of the origial rectangle is ............. cm.
Question 7:
How many 4 digit numbers can you make by using only 0 and 1? Answer: There are ......... numbers.
Question 8:
Some men meet at a conference. Each man shakes hands with each other exactly once. If there are 4950 handshakes in total then the number of men is ..............
Question 9:
In the equation: N x U x (M + B + E + R) = 33, six letters are 6 distinct digits from 0 to 9. What is the greatest possible value of the number NUMBER? Answer: .............
Question 10:
The sum of the digits of all 2digit numbers is .............
Exam number 2: Choose the most suitable answer in 4 available answers. (Cóc vàng tài ba)
Question 1: Which of the following numbers can represent the question mark?
(cid:0)
(cid:0)
(cid:0)
(cid:0) a. 48 b. 45 c. 54 d. 36
Question 2:
Which of the following numbers is divisible by 6? (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 33332 b. 25760 c. 42378 d. 12357
Question 3:
Which of the following is the number 2,003,047? (cid:0)
(cid:0)
(cid:0)
(cid:0) a. Two million, three thousand, fourty seven b. Two million, thirty thousand, four seven c. Two million, three thousand, four seven d. Two million, thirty thousand, fourty seven
Question 4:
Find the value of
The value of A is .......... (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 1007 b. 4006/2015 c. 2015 d. 4002/2015
Question 5:
Jonn uses 1/3 of his land for growing apples, 1/4 for oranges, 1/5 for bananas and the remaining 13 hectares for flowers. The total area of his land is ............ hectares. (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 60 b. 70 c. 50 d. 80
Question 6:
Find the value of B = 2016 x 20152015 2015 x 20162015 Answer: The value of B is ......... (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 2015 b. 2016 c. 20152016 d. 20162015
Question 7:
The product of 2 natural numbers is 2015. Find the smallest possible sum of these two numbers? Answer: The smallest possible sum of these numbers is ............... (cid:0)
(cid:0) a. 96 b. 65
(cid:0)
(cid:0) c. 408 d. 2016
Question 8:
Peter, Bob and Jack do a work. If they work in pairs: Peter and Bob can complete it in 12 hours; Bob and Jack can complete it in 10 hours; Jack and Peter can complete it in 15 hours. Peter needs ........ hours to complete this work by himself. (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 18 b. 40 c. 24 d. 42
Question 9:
One chain with 3 links is 14cm long. Another chain made from 5 links of the same type is 22cm long. How long is a chain with 40 such links? Answer: A chain with 40 such links is ............ (cid:0)
(cid:0)
(cid:0)
(cid:0) a. 162cm long b. 158cm long c. 160cm long d. 155cm long
Question 10:
Find the missing number x in the following number sequence:
2 9 18 25 x 57 114 121
(cid:0)
(cid:0)
(cid:0)
(cid:0) Answer: x is .......... a. 32 b. 34 c. 50 d. 45
ượ ướ Exam number 3: V t ch ạ ậ ng ng i v t
Question 1: Fill in the blank with the correct number 35km + 700cm = ......... m
Question 2:
765 ........ = 123 x 2 + 276 The correct number filled in the blank is ...........
Question 3:
How many triangles in the following figure?
Answer: There are ................ triangles.
Question 4:
Find the value of digit x if 2006 < 20x5 < 2041 and 20x5 is divisible by 3? Answer: The value of x is ................
Question 5:
Find the greatest natural number m such that: Answer: m = ............
Vong 1
Exam number 1: Fill in the blank with the suitable number.
Question 1: How many days are there in September? Answer: There are .............. days.
Question 2:
Find x such that x : 5 = 1537 Answer: x = ..........
Question 3:
Mary learns fifteen new words per day. How many new words does she learn for seven days? Answer: ......... days.
Question 4:
The area of the following rectangle is ............ cm2.
Question 5:
The perimeter of the following square is .................cm.
Question 6:
Calculate: (12639 + 21034) x 2 = ...........
Question 7:
Bella goes to the zoo. She makes a table of the number of animals at the zoo. (see the table below)
How many monkeys and birds are there? Answer: ...........
Question 8:
Calculate: 9876 : 6 x 6 = ..........
Question 9:
How many right angles are there?
Answer: There are ............ right angles.
Question 10:
There are 48 strawberries in 6 bags. How many strawberries are there in 9 bags?
Answer: There are ............. strawberries in 9 bags.
Exam number 2: Choose the most suitable answer in 4 available answers.
Question 1: Calculate: 6723 2195 = .........
(cid:0)
(cid:0)
(cid:0)
(cid:0) A. 4258 B. 4285 C. 4528 D. 4582
Question 2:
Emma is 14 years old. Her sister's age is 11 years more than her age. How old is Emma's sister? Answer: Emma's sister is ............. years old. (cid:0)
(cid:0)
(cid:0)
(cid:0) A. 25 B. 23 C. 13 D. 15
Question 3:
What time does the clock show?
(cid:0)
(cid:0)
(cid:0)
(cid:0) A. 2 : 50 B. 2 : 10 C. 10 : 20 D. 10 : 10
Question 4:
Mary goes swimming in the morning. What time can she go swimming? (cid:0)
(cid:0)
(cid:0)
(cid:0) A. 10:00 a.m B. 16:00 C. 6:00 p.m D. 14:00
Question 5:
Which number can replace the question mark? 400 x ? + 800 = 2000 (cid:0)
(cid:0)
(cid:0)
(cid:0) A. 3 B. 6 C. 30 D. 60
Question 6:
(cid:0)
(cid:0)
(cid:0)
(cid:0) Find the value of x such that x + 1606 = 2357. Answer: x = ......... A. 751 B. 715 C. 716 D. 761
Question 7:
Today is Thursday, December 17. Which day of the week is the day before yesterday? (cid:0)
(cid:0)
(cid:0)
(cid:0) A. Wednesday B. Tuesday C. Friday D. Saturday
Question 8:
Two numbers have the product of 9315. If the product is five times as same as the greater number. The smaller number is .......... (cid:0)
(cid:0)
(cid:0)
(cid:0) A. 1863 B. 4 C. 1763 D. 5
Vong2
ệ
ỉ Bài 2: Đ nh núi trí tu Let reach the intellectual peak by answering the questions.
2.1. Calculate: 2100 x 4 = ............ (cid:0)
(cid:0) A. 4600 B. 4800
(cid:0)
(cid:0) C. 8400 D. 8600
2.2:
38000; 39000; .......; 41000; 42000 The correct number fill the blank is ........... (cid:0)
(cid:0)
(cid:0)
(cid:0) A. 400000 B. 400 C. 40000 D. 4000
2.3:
Which of following numbers is the greatest? (cid:0)
(cid:0)
(cid:0)
(cid:0) A. 3472 B. 4732 C. 3742 D. 4372
2.4:
The perimeter of the figure below is .......... cm.
(cid:0)
(cid:0)
(cid:0)
(cid:0) A. 20 B. 19 C. 21 D. 18
2.5:
Which of following is true? (cid:0)
(cid:0)
(cid:0)
(cid:0) A. 9000 x 2 > 6000 x 3 B. 4000 x 8 < 6000 x 4 C. 3000 x 2 = 2000 x 3 D. 8000 x 3 > 6000 x 4
2.6:
Solve: 8 thousands = ............ tens. The correct number fill in the box is ........... (cid:0)
(cid:0)
(cid:0)
(cid:0) A. 8000 B. 800 C. 80 D. 8
2.7:
What natural number is just before of 134? (cid:0)
(cid:0)
(cid:0)
(cid:0) A. 133 B. 136 C. 135 D. 132
2.8:
What number is 100 + 3000 + 20 + 7? (cid:0)
(cid:0)
(cid:0)
(cid:0) A. 1327 B. 1372 C. 3127 D. 2317
2.9:
The value of P is ........... (cid:0)
(cid:0)
(cid:0)
(cid:0) A. 1500 B. 600 C. 900 D. 100
2.10:
(cid:0)
(cid:0)
(cid:0)
(cid:0) Find x such that x is a natural number and 76 < x < 78 Answer: x = .......... A. 76 B. 78 C. 79 D. 77
ượ ướ Bài 3: V t ch ạ ậ ng ng i v t
3.1: Calculate: 95213 8756 = ..........
3.2:
982605 The number's underlined digit is worth ..........
3.3:
Just before of 300000 is .............
3.4:
The value of expression: 3148 + 2672 : 4 is .................
3.5:
98247 < 9x134 The value of x is .............
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