dịch: cân nặng của 3 quả táo bằng 4 quả chuối, cân nặng 5 quả chuối bằng 6 quả cam. Hỏi có bao nhiều quả táo để có cân nặng bằng với 24 quả cam?
giải: Ta có: 24 quả cam = 20 quả chuối (đều x4)
20 quả chuối = 15 quả táo (đều x5)
=> Cân nặng của 15 quả táo sẽ bằng cân nặng của 24 của cam.
The total weight of 3 apples is equal to that of 4 bananas, and the total weight of 5 bananas is equal to that of 6 oranges. How many apples have the same total weight as 24 oranges?
a. 18 b. 16 c.12 d. 15
John uses 1/3 of his land for growing apples , 1/4 for oranges , 1/5 for bananas and the meaning 13 hectares . The total area of his land is ... hectares .
Erin's dog just had three puppies. The total weight of the mother dog and three puppies is 32 pounds. The mother dog's weight equals to the weight of all three puppies combined. What is the weight of the mother dog?
Question 1:
What number should be placed in the box to make ?
Answer:
Question 2:
What is the remainder when 65870 is divided by 8?
Answer:
Question 3:
The expression is equal to
Question 4:
Mya has 10000 dollars in bills of 40 dollars.How many 40 dollars- bills does she have?
Answer: 40 dollars- bills.
Question 5:
The numbers from 1 to 1000 are written. How many of these numbers have at least two digits 5?
Answer: numbers.
Question 6:
Five years ago, Sarah was 7 years old. Two years later, she will be years old.
Question 7:
Six students had an orange eating contest. The graph shows the number of oranges eaten by each student. Mary ate the fewest oranges and Jack ate the fewest. How many more oranges did Jack eat than Mary?
Answer: oranges.
Question 8:
A large box of candies and a small box of candies together cost 13 dollars. If the large box costs 5 dollars more than the small box, what is the price of the small box of candies?
Answer: dollars.
Question 9:
Five students do an exam with a maximum score of 50. The scores of four of the students are 41, 44, 46 and 49. The average of five students’ scores is the same as the score of the fifth student. The score of the fifth student is
Question 10:
A fraction is equal to . The sum of its denominator and its numerator is 91. What is the difference between the denominator and numerator of this fraction?
Answer:
Exam number 1: Fill in the blank with the suitable number Question 1: The expression is equal to .............. Đáp án của bạn Question 2: What number should be placed in the box to make? Đề thi Violympic Toán Tiếng Anh lớp 4 vòng 9 năm 2015 - 2016 Answer: ........... Đáp án của bạn Question 3: What is the remainder when 65870 is divided by 8? Answer: .............. Đáp án của bạn Question 4: Mya has 10000 dollars in bills of 40 dollars.How many 40 dollars- bills does she have? Answer: ............... 40 dollars- bills. Đáp án của bạn Question 5: A large box of candies and a small box of candies together cost 13 dollars. If the large box costs 5 dollars more than the small box, what is the price of the small box of candies? Answer: ............. dollars. Đáp án của bạn Question 6: Six students had an orange eating contest. The graph shows the number of oranges eaten by each student. Mary ate the fewest oranges and Jack ate the greatest. How many more oranges did Jack eat than Mary? Đề thi Violympic Toán Tiếng Anh lớp 4 vòng 9 năm 2015 - 2016 Answer: ............. oranges. Đáp án của bạn Question 7: The numbers from 1 to 1000 are written. How many of these numbers have at least two digits 5? Answer: .............. numbers. Đáp án của bạn Question 8: Five students do an exam with a maximum score of 50. The scores of four of the students are 41, 44, 46 and 49. The average of five students’ scores is the same as the score of the fifth student. The score of the fifth student is ............. Đáp án của bạn Question 9: Five years ago, Sarah was 7 years old. Two years later, she will be ............. years old. Đáp án của bạn Question 10: A fraction is equal to . The sum of its denominator and its numerator is 91. What is the difference between the denominator and numerator of this fraction? Answer: .............. Đáp án của bạn Exam number 2: Đi tìm kho báu Question 1: Nick has 3/5 of a dollar and Emma has 3/10 of a dollar. Together they have …………. a. $6/10 b. $8/10 c. $9/10 d. $15/10 Question 2: The value of 1/12 : 1/8 = …………. (Write your answer by fraction in the simplest form) Đáp án của bạn Question 3: The symbol Đề thi violympic toán tiếng anh lớp 4 vòng 9 is evaluated as 4 x 7 – 3 x 6 = 10. If Đề thi violympic toán tiếng anh lớp 4 vòng 9is evaluated as 29 then the number that should be replaced in the question mark is …………… Đáp án của bạn Question 4: The are of a rectangular garden is 36m2. Its has a length of 9m. Its perimeter, in metres, is …………….. Đáp án của bạn Question 5: Last year, Bob’s age is divided by 7. This year, his age is divisible by 5. In how many years will Bob be 27 years old? Answer: ……….. years. Đáp án của bạn Exam number 3: Cóc vàng tài ba Question 1: The value of 40 + 60000 + 500 + 30 is …………. a. 65070 b. 65430 c. 60570 d. 60543 Question 2: The average of the numbers 21, 23, 25 and 27 is ………………. a. 22 b. 23 c. 24 d. 26 Question 3: The perimeter of a rectangular is 3 times its length. If the perimeter is 120cm, the area of the rectangle is ………… a. 3200cm b. 800cm c. 800cm2 d. 3200cm2 Question 4: Which number should be replace the blank: Đề thi violympic toán tiếng anh lớp 4 vòng 9 a. 32 b. 96 c. 48 d. 24 Question 5: Sophia plants ten trees every three minutes. If she continues planting at the same rate, how long will it take she to plant 250 trees? a. 5/4 h b. 25h c. 3/4 h d. 75h Question 6: Anna scored 325 points during the badminton season. If her average point was 13 per game, how many games did she play? a. 25 b. 13 c. 26 d. 14 Question 7: If a machine produces 90 items in one minute, how many items would it produce in 20 second? a. 180 b. 20 c. 30 d. 60 Question 8: The digits 1, 2, 3, 4, 5 and 6 are each placed in one of the boxes so that the resulting product is correct. If each of the six digits is used exactly once, the digit represented by’?” is …………. Đề thi violympic toán tiếng anh lớp 4 vòng 9 a. 6 b. 2 c. 3 d. 4 Question 9: The average of five different natural numbers is 4. If the different between the largest and smallest of these numbers is as large as possible, what is the average of the other three numbers? a. 5 b. 2 c. 3 d. 6
giúp mình với mai mình kiểm tra rồi ( nhớ giải thích cách làm nhé )
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.
1kg of apple costs 2 dollar and 1kg of orange costs 3 dollar more than an apple. Jean bought 10kg of apples and 8kg of oranges. How much did she have to pay for the fruits? Answer: dollar.
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.
1 table and 3 same chairs cost 765 dollars. 2 such tables and 4 such chairs cost 1370 dollars. Find the total cost of 8 chairs.
Answer: The total cost is …………dollars.
