Toán TA vòng 7 năm 16-17

Vòng 7 –Toán Tiếng Anh
1. Convert: 300m2 = …………dm2
2. Mary has 32 packs of candies. There are 11 candies in each pack. Mary has ………candies in all.
3. The area of the following square is…………..dm2


4. Susan read 265 pages of her story book on Freday. Ivan read 145 pages of the same story book and has 287 pages left. If Susan reads 59 pages on Saturday then how many pages must she read to complete the story book?
Answer: She must read …… pages.
5. Tom writes the consecutive natural number from 1 to 11 on a board. If he erases some of the numbers and adds up the remaining ones then he will get a sum of 40.
The number of numbers that is erased on the board at most is …..
6. Subtract 3456 from 5600, then multiply the result by 9, we get………..
7. Bala is 44 years old. His wife is 2 years younger than him. How old will his wife be in 12 year’s time?
Answer: In 12 year’s time, his wife will be………….. years old.
8. The sum of two consecutive numbers is 151. What the smaller number?
Answer: The smaller number is……………..
9. there are 67 goats and 85 ducks. How many leg are these altogether?
Answer: There are ……….legs altogether.
10. What is the difference between the greatest and the smallest three – digit number in which all digits are distinct?
Answer: The difference is ……….
11. The average of all even numbers that are smaller than 150 is………….
12.The average of all odd numbers that are smaller than 100 is………….
13. A shop has 5 pieces of fabric, each of which is 30m long. The shop sold 1/5 of the fabric. How many meters of fabric did the shop sell?
Answer: The shop sold ………..meters of fabric.
14. Five similar knives cost $160. Find the cost of 2 knives.
Answer: The cost of 2 2 knives is $ …………..
15. Six boy donated $ 366. 2 of them donated $ 86 each. How much did the 4 other boys donate altogether?
Answer:…………….
16. Eight boys donated $ 858. 3 of them donated $ 96 each. How much did the 5 other boys donate altogether?
Answer:…………….
17. A pen cost $ 30. A clock cost $ 89 more than the pen. Find the cost of 3 such clocks.
Answer: The cost of 3 such clocks is $.............
18. Calculate: 2016 + 2016 x 2 + 2016 x 7 = ……………
19. The sum of two numbers is 326 and theis difference is 12. What is the smaller number?
Answer: The smaller number is……………..
20. Kelvin boughta radio and a camera. He spent $ 460 on a radio and the cost of a camera is $ 248 more than the radio. The amount he had left was $45 more than the amount he had spent. How much money did he have a first
Answer: He had ……….. dollars at first.
21. Doris has six times as much money as Tom. If they have $623 altogether, how much does Tom have?
Answer: Tom has $................
22. Each of two studensbought 3 notebooks with tho total amount of money of 7200vnd.
How much is a notebook?
Answer: A notebook is…………….vnd.
23. Six similar knives cost $ 180. Find the cost of 3 knives
Answer: The cost of 3 knives is $.............
24. There are 67 goats and 85 ducks. How many leg are there altogether?
Answer: There are…………..legs altogether.
25. The average of 1201 and 333 is………..
26. If the weight of 9 bags of corns is 306kg then the weight of 11 such bag is …….kilogams.
27. Share 480 dollars equally for you and 7 your friends. Each person gets……….dollars.
28. I save $3 every day. On the seventh day. I always donate $ to a church. In how many days will I take to save $51. ……………..
29.Tom added all odd numbers from 1 to 1999.
Anna added all even numbers from 2 to 2000
Then Mary subtracted Tom’s result from Anna’s result is ………..
30. Find the missing numbers: 60; 61; 63; 66………;75
Answer: ………
31. In the following multiplication problem
24 x 8 x 9 = 12 x M x 3 M = ………………