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南外冲刺数学 3

南京雨花学社2012春季班六年级南外冲刺班数学

第三讲

姓名__________ 成绩

本期主要数学术语的英语表述:

cubic meter 立方米addition 加法addend 加数

right triangle 直角三角形

1.Fill out the numbers according to the rules. 按规律填数:

(1)2、7、12、17____、____.

(2)2、8、32、128____、____.

2.The water meter(水表)of a factory shows the water consumption (用水量) is 71111 cubic

meters. If we want to have the same four digits out of the five, how many cubic meters of water should be spent more?

3. A building has 6 floors, and there are 16 stairs of each floor. When we get to the fourth floor, how many stairs are there altogether?

4.Yunyun is doing addition (做加法). She takes the unit 9 of one addend as 8, the tens digit 6 as 9. Then she also takes another addend’s hundred digit 5 as 4, the unit 5 as 9. She gets a result of 1997. What should be the right answer?

5. There are three squares as follows. Then ∠1=_____三个正方形的位置如图所示,那么∠1=_____度.

南外冲刺数学 3

6. Calculate: How many zeroes are there in the result. 计算:

7. How many right triangles are there in the picture? 数一数,图中有____个直角三角形.

南外冲刺数学 3

8. Three students go to the Children’s Palace to take activities, but they have different timetables (时间表). A goes there every 3 days; B goes there every 5 days, C goes there every 9 days. Last time they met each other on Friday. What day is it when they will meet again?

南外冲刺数学 3

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