TOAN TIENG ANH LOP 5 VONG 810

<span class='text_page_counter'>(1)</span>. VONG 8 Exam number 1: Đi tìm kho báu Question 1: 185,4 - 5,36 = ............ Question 2: Calculate: 124,7 : 100 + 45,18 = .............. Question 3: Look at these numbers 5,586 0,293 0,675 5,595 Two numbers in the box have a sum of 6,261 are ............. Question 4: Brick is $28,25 per 25kg. How much is 350kg of brick? Answer: Question 5: If X is a natural number and 0,5 x X > 8,3 then the smallest value of X is ............ Exam number 2: Choose 2 consecutive cells which have the same or equal value. (Tìm cặp bằng nhau). Answer: (1) = ......; (2) = ......; (3) = .......; (4) = .....; (5) = ......; (6) = ......; (7) = ........; (8) = ......; (11) = ......; (15) = ....... Nhập số thứ tự của các ô vào chỗ (....) cho thích hợp để được các cặp giá trị bằng nhau. Exam number 3: 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: Find x such that 2,89 < x < 11,01 and x are even natural numbers. Answer: ................ Question 2: 2,3m + 6,8m = ......... dm. Question 3: 7m2 4dm2 = ........... cm2. Question 4: 123004,64 : 10000 = ............... Question 5: 15% of 370kg = .................g.

<span class='text_page_counter'>(2)</span> Question 6: 2m2 3dm2 + 1m2 35cm2 = ........... cm2. Question 7: The perimeter of the star equals the perimeter of the regular hexagon. Each side of the hexagon is 16cm long. Each side of the star is ........... cm long. Question 8: Jane bought jelly beans. She gave 9/11 of them for Jack. If Jane kept 36 jelly beans then she bought .......... jelly beans in total. Question 9: Tina works 17 hours a week (Monday to Friday). Last week she worked 4,5 hours on Monday; 5 hours on Tuesday; 2,2 hours on Wednesday and 1,5 hours on Thursday. She worked ......... minutes on Friday. Question 10: The value of 2,73 + 4,23 + 5,73 + 7,23 + 8,73 + 10,23 + 11,73 + 13,23 +14,73 + 16,23 + 17,73 is VONG 9 Exam number 1: Choose the most suitable answer in 4 available answers. (Cóc vàng tài ba) Question 1: Choose the calculation that has the greatest result. . a. 125,7 : 3 + 14,3. . b. 365,5 : 5 - 17,8. . c. 59,8 : 2 + 26,13. . d. 196,4 : 4 - 7,07 Question 2: Peter counts his heart rate. He counts 8 beats per 6 seconds on average. How many beats per minute does Peter count? Answer: Peter counts ........... beats per minute. Question 3: Which fraction is equal to 17,5%? Question 4: Mia wants to buy apple. Which is the best buy?. . a. 7kg of apples for $30,38. . b. 5kg of apples for $21,5. . c. 6kg of apples for $26,1. . d. 4kg of apples for $17,32 Question 5: The product: 20 x 21 x 22 x ..... x 40 has ....... digit 0. Question 6: Which shape is colored more than 50% in green? Question 7: If number A is increased by 60% then it will equal number B. How much percentage will B be decreased by to equal A? Question 8: Find the smallest number that is 7 times the sum of its digits? Answer: This number is .............. Question 9:.

<span class='text_page_counter'>(3)</span> Calculate: Choose the correct answer: Question 10: How many fractions equal 1/5 and have denominators of 2 - digit numbers? Exam number 2: Your car has to pass 5 obstacles to finish. In order to overcom each obstacle, you have to answer correctly one of three problems in that obstacle. (Vượt chướng ngại vật) Question 1:. If and n is a natural number then n = ........... Question 2: The perimeter of the shape is ....... cm.. Question 3: Find X if X x 8,6 - 5,2 x X - 11,06 = 5,94 Answer: X = ........... Question 4: Calculate: 5,5 x (3,5 - 1,5) + 1,5 = .............. Question 5:. Calculate: Exam number 3: Find the blank with the suitable number (Note: write decimal number with the comma" between number part and fraction part. Ex: 0,5) Question 1: 5,136m3 = ............ cm3. Question 2: 47/250 dm3 = ............. cm3. Question 3: The perimeter of a circle is 15,7dm. Its area is ....... cm 2. Question 4: Jane bought a couch. A couch costs 950 dollars. She received a 30% discount. How much of a discount did she get? Answer: She got ............. dollars discount. Question 5: The ratio of the number of girls to the number of boys in a classroom is 5 : 4. When 10 girls left the classroom, the ratio of the number of boys to the number of girls.

<span class='text_page_counter'>(4)</span> became 4 : 3. How many students were in the classroom at first? Answer: There were ......... students in the classroom at first. Question 6: The area of a rectangle is 50m2. If it's length is increased by 10% and it's width is decreased by 20% then the area of new rectangle is ...............m 2. Question 7: An aquarium is 8dm deep, 12dm long and 0,3m wide. What is the volume of the aquarium in cubic centimeter? Answer: The volume of the aquarium is ...................cm3. Question 8:. The sum of all square's area in the following figure is 375cm 2. The area of the biggest square is ............ dm2. Question 9: At a party 60% of the boys are dancing with 80% of the girls. How many people are dancing if there are 35 people? (A pair cludes only one boy and one girl) Answer: .......... people are dancing. Question 10:. Look at the following figure. AF/AB = 1/4; AE/AC = 1/3. If the area of triangle GBD is 270m2 then the area of the triangle GCD is .......... m 2. VONG 9 2016 Exam number 1: Đi tìm kho báu Question 1: There are 40 students in Mrs. Brown's class. 25% of her students received a B on the test. How many students received a B? Question 2: What is the product of 3.05 and 2.8? Question 3: A clothing shop is having a 40% off sale. How much would Jane have to pay for a $30 sweater with a 40% discount? Question 4: If a pen costs $1.75 and an eraser costs $0.85, which of the following is the cost of 10 erasers and 5 pens? Question 5:.

<span class='text_page_counter'>(5)</span> If the area of the rectangle ABCD is 60cm2 then the area of the trapezoid MNCD is ..........cm2.. Exam number 2: Tìm cặp bằng nhau. Answer: (1) = ......; (2) = .....; (3) = ......; (5) = ......; (7) = ......; (8) = .......; (9) = ......; (11) = ......; (15) = ......; (16) = Exam number 3: Fill in the blank with the suitable number Question 1 The length of each edge of a cube is 3 cm. The surface area of the cube, in cm 2, is ............. Question 2: At the beginning of the summer, Bob was 140 cm tall. At the end of the summer, he measured his height again and discovered that it had increased by 5%. Measured in cm, what was his height at the end of summer? Answer: .............. cm. Question 3: The number of centimetres in 7.05 metres is ............... Question 4: Bella scores on six of her eight pictures. The percentage of pictures that she does not score on is .........%. Question 5:.

<span class='text_page_counter'>(6)</span> A bag contains green marbles and red marbles only. If the ratio of the number of green marbles to the number of red marbles is 1:4 then ............% of marbles are green. Question 6: How many even numbers between 1 and 100 are divisible by 5? Answer: There are .......... numbers. Question 7: Alice is going to the store. One third of the way to the store, she stops to talk with Kelly. She then continues for 6 km and reaches the store. How many kilometres does she travel? Answer: ........... km. Question 8: How many three-digit numbers are exactly 19 more than a two-digit number? Answer: ............. numbers. Question 9: In the 3×3 table shown, the numbers 2, 4 and 6 are placed so that each number occurs only once in each row and only once in each column. The value of M + N is ............. Question 10: How many different 3-digit whole numbers can be formed using the digits 4, 5, 0 and 8, assuming that no digit can be repeated in a number? Answer: There are ............ numbers. VONG 10 Exam number 1: Question 1: Fill in the blank with suitable sign (>, =, <) Compare: 7,12 : 0,5 + 8,23 .......... 28,48 : 2 + 4,12 : 0,5 Fill in the blank with the suitable number Question 2: If 144/17 x 34/12 < n < 169/34 : 13/68 and n is a natural number then n = .......... Question 3: The ratio of the number of girl students to the number of boy students in a class is 3 : 5 and the number of boy students is 12 students more than the number of girl students. There are ......... students in this class. Question 4: Find x if x is a natural number and 0,6 x 7,5 < x < 3,5 x 1,6. Answer: x = ...................... Question 5: 34m2 27cm2 + 27m2 20dm2 = ......... dm2. Question 6: Divide 77 into three parts so that one is 150% of each of the other two. The smallest number is .............. Question 7: The sum of four consecutive number is 948. Find the greatest number. Answer: The greatest number is .............

<span class='text_page_counter'>(7)</span> Question 8: One 7 x 7 x 7 cube is painted, and then cut it into 1 x 1 x 1 cubes. How many of these cubes are painted? Answer: ........... 1 x 1 x 1 cubes are painted. Question 9: Find n such that: 2/3 + 2/15 + 2/35 + ...... + 2/n = 322/323 Answer: n = ......... Question 10: Find K such. that: Answer: K = ........... Exam number 2: Choose the most suitable answer in 4 available answers. (Cóc vàng tài ba) Question 1:. . Find x such that The value of x is .......... Question 2: Find the smallest number that the sum of its digits is 15. Answer: This number is ........... Question 3: Calculate: 3,54 + 1,12 + 0,98 + 2,3 The result is ......... Question 4: 15% of 1080kg = ..........g. Choose the correct number fill in the blank. Question 5: What percentage of the area of the square is pink? Question 6: Now Peter's father is 36 years old and he is 11 years old. ......... years ago, Peter's father was six times as old as him. The missing number is .......... Question 7: If the sum of two number is 463 and there are eighteen odd numbers between these numbers then the less number is ............... Question 8: The surface areas of a cube is 864cm2. The volume of this cubes is ........... Question 9:. Find y such that: Question 10: Find the last digit of A = 11 x 21 x 31 x ...... x 71 + 9 x 19 x 29 x .... x 89 Answer: The last digit of A is ............. Exam number 3: Đi tìm kho báu.

<span class='text_page_counter'>(8)</span> Question 1: Find X if X x 100 - 1,968 = 1,254 + 3,978 Question 2: 60% of .......... km = 1230m Question 3: If x is a natural number and 4728/100 < x then the least value of x is ........... Question 4: Peter wrote consecutive numbers from 8 to 723. How many digits did he write? Answer: There are .......... digits. Question 5: The average of three numbers is 32. The second number is two times the first number and the third number is six units more than the second number. The first number is .................

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