Kiem tra giua hoc ki I toan 7

Chia sẻ bởi Chu Thi Yen Oanh | Ngày 12/10/2018 | 47

Chia sẻ tài liệu: kiem tra giua hoc ki I toan 7 thuộc Đại số 7

Nội dung tài liệu:

Trường THCS
Thọ vực
Bài thi khảo sát chất lượng giữa kì I
Năm học 2012-2013

Môn toán : Lớp 7 (Thời gian làm bài 90 phút)
Họ và tên......................................................................................Lớp 7................................
Số báo danh
Giám thị 1


Giám thị 2
Số phách


Điểm bằng số
Điểm bằng chữ


Giám khảo
Số phách


I. PHẦN TRẮC NGHIỆM : ( 3 điểm )
Chọn phương án trả lời đúng trong các câu sau:
Câu 1(0,5 điểm) Kết quả đúng của phép tính  là:
A. 0,8 + 9 = 9,8 B. 0,8 – 0,9 = - 0,1
C. 3,8và 0,8 D.cả ba câu trên đều đúng.
Câu 2.(0,5 điểm) Nếu có a.b = c.d ta suy ra:
   D. Cả ba câu trên đều đúng.
Câu 3. (0,5 điểm) Tìm x,biet  là:
 B. 0,0(6) C. cả A&B D. 

Câu 4.(0,5 điểm) Cho ba đường thẳng a, b, c phân biệt. Biết  ta suy ra:
A. a và b phân biệt. B. a và b cắt nhau.
C. a và b song song. D.a trùng b.

Câu 5. (0,5 điểm)Trong các câu sau, câu nào sai?
Hai tia phân giác của hai góc kề bù thì vuông góc với nhau.
Hai góc bằng nhau thì đối đỉnh.
Hai đường thẳng phân biệt cùng vuông góc với một đường thẳng thứ ba thì chúng song
song với nhau.
Nếu một đường thẳng cắt hai đường thẳng song song thì hai góc so le trong bằng nhau.

PHẦN TỰ LUẬN: (7điểm)
Bài 1. ( 1,5 điểm) Thực hiện phép tính:

Bài 2.(1,5 điểm) Biết độ dài ba cạnh của một tam giác tỉ lệ với 3 ; 4 ; 5. Tính độ dài mỗi cạnh của
tam giác đó, biết rằng chu vi của tam giác đó là 24cm.
Bài 3.Cho tam giác ABC có .Tia phân giác trong của góc A cắt BC ở D. Tính số đo của góc 

Bài làm
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