ĐỀ THI TÀI NĂNG “TOÁN HỌC TÔI YÊU” LỚP 5-lần 2

TRƯỜNG TIỂU HỌC TỀ LỖ
LIÊN ĐỘI ĐỀ THI TÀI NĂNG “TOÁN HỌC TÔI YÊU”
***==*** LỚP 5 – LẦN 2
(Thời gian làm bài: 30 phút)
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Question
Exercises
Solutions

1
 Given that 20 percent of a number is 4,5. That number is………



2
If A, B and C are even – number so that A < B < C and A + B + C = 20 then the greatest possible value of C is ………….



3
The average of two bases of a trapezoidal plot is 56 meters. The height is 45 meters. 70 percents of the plot is used to plant trees. The area of planting is …………




4
Uncle An bought 5m of clothes and it cost him 450.000 dong. If he bought 15 metres of clothes. How much does it cost him?




5
The sum of two natural numbers is 2011. There are exactly 9 even numbers between them. Find two these numbers.




6

The average of two bases of a trapezoidal garden is 125 decimeters and the height is 150 decimeters. Calculate the area of the garden using square meters.



7
It takes 3 hours to fill the pool if the first tap is opened. It takes 2 hours to fill the pool if both taps are opened. It takes ……………….. hours if the second tap is opened.



8
The sum of two odd number is 474 and there are exactly 37 other odd numbers between them. What are two odd numbers?