Fourth grade (final) final ability examination paper

(Examination time: 40 minutes, total score: 40 points)

1. Among the seven digits that can be composed of 1, 9, 4, 5, 0, 0, 0 (6 points).

The maximum quantity is (); The number of read-only 1 zeros is (); (Write one) The smallest number is (); The number that all zeros are not read is (); (Write one) The number closest to 6.5438+0.5 million is (); The number that reads all zeros is (); (Write one)

2. Judge the relationship between the line segments in the box below. Use "∨" to indicate the mutual parallel relationship, and "⊥" to indicate the mutual vertical relationship.

AB()CD； AB()EH； AB()BG； GH()FG； ( )∥( )

3. Hand-painted. (4 points)

Draw a picture first: the hut is translated down by 5 squares, and then translated to the right by 10 squares.

Draw another picture ②: Figure ① Rotate clockwise around the roof O 180.

4. Look at the picture to solve the problem. (3 points)

* * * There are () * * There are () corners * * * There are () square line segments with different lengths.

5. crossword puzzles. (4 points)

6.

What is the 1 on the left side of the 10 line? Explain what you think.

What is the 1 on the right side of the 100 line? Explain what you think.

7. Take a walk in the garden. (12)

The lakeside garden is a square with a side length of 2000 meters, as shown in the figure. Zhang yesan

Step clockwise and walk120m per minute. Meanwhile, Grandpa Wang

Start counterclockwise from point B and walk 80 meters per minute.

(1) How long have they known each other?

(2) After meeting for the first time, move on and meet for the second time in a few minutes?

(3) When we met for the second time, where was it? (or between the two places? How many meters is it from a place? )

(4) If Grandpa Wang started clockwise, how long did they meet for the first time?