phân số chỉ số táo mà mai cho Hoa và Linh là :
4/10 + 2/10 = 6/10 ( tổng số quả )
Mai còn số táo là :
12 - ( 12 : 10 x 6 ) = 4.8 ( quả )
Đ/s : 4.8 quả
Jane bought many of apples. She gave 2/5 of them for her best friend, then she has 15 apples now. How many apples did she buy?
Jane bought many of apples. She gave 2/5 of them for her best friend, then she have 15 apples now. How many apples did she buy?
A teacher give a star for every 5 correct answers and a smiley face for every 10 correct answers. Emily has 50 correct answers. How many time has she had a star and a smiley face at the same time?
Bob buy 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 ?
Ai biết giải thì hộ nhé
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.
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 )
Bod buys three times as many apples as Peter. Mia buys 7 apples more than Bod and 19 apples more than Petet . How many apples do they buy togther ? Choose the correct answer.
a.26apples b.37apples c.49apples d.51apples
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?
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.