2009 袋鼠数学 B-Ecolier 真题 答案 详解
2009-04-06 mathkangaroo mathkangaroo B-Ecolier
| 序号 | 文件列表 | 说明 | ||
|---|---|---|---|---|
| 1 | 2009-B-Ecolier-paper-eng.pdf | 3 页 | 1.43MB | 英文真题 |
| 2 | 2009-B-Ecolier-key.pdf | 1 页 | 13.99KB | 真题答案 |
英文真题
International Kangaroo Mathematics Contest 2009 - Ecolier
Ecolier Level: class (3 & 4) Max Time: 2 Hours
3-Point Problems
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$200 \times 9 + 200 + 9 =$ (A) 1909 (B) 2009
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Where is the smiley? (A) In the circle and in the triangle, but not in the square. (B) In the circle and in the square, but not in the triangle.
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Four sticks have 8 ends. How many ends do six and a half sticks have? (A) 14 (B) 13
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On the display there is a number 930 (see the picture). How many little square lights must be switched on/off in order to obtain number 806? (A) 5 (B) 6
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Mom has bought 16 apples. Mariam ate half of them, Nazish ate two and Salma ate the rest. How many apples did Salma eat? (A) 4 (B) 6
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Hina threw a dice four times and she obtained a total of 23 spots. How many times did she get 6 spots? (A) 3 (B) 4
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A movie is 90 minutes long. It started at 17:10. In the middle there were two commercial breaks, one lasting eight minutes and one lasting five minutes. At what time did the movie finish? (A) At 18:47 (B) At 18:53
