Kiem tra ds 7

Trường THCS Liên Lộc
Kiểm tra học kì I Môn toán 7
Họ và tên : ....................................................................................... Lớp 7....

Điểm

Nhận xét của giáo viên


Đề bài :
Câu 1 : ( Khoanh tròn vào đầu chữ cái có đáp án đúng) Cho hàm số : y = f(x) = 3x – 1 .
- A. f(1) = -2 ; B . f(0) = 1 ; C . f(1) = 2 ; D . f(-1) = 4 .
- Điểm nào sau đây thuộc đồ thị hàm số trên :
A.(0;1) ; B.(-1; 4) ; C.(1;2) ; D.(2; 0,5) .
Câu 2: Cho tam giác MNP có góc M = 500 , góc N = 65 , số đo góc P là :
A. 500 ; B. 600 ; C. 650 ; D. 700
Câu3 : Điền vào dấu (...) để được kết quả đúng :
= ...... ; (-3)0 = ........... ; = ............ ; (-2)2.23 = .................
Câu4 : Tính giá trị của biểu thức :
a, + 1 = .............................................................................................................................
b, (-0,25)2.25.3 = ...................................................................................................................................
c, - 2)2 -16 = .....................................................................................................................
d, 4 = ....................................................................................................................................
Câu5 : Tìm x biết : a, 5 = 0 ; b, = 0 ; c, x2 = 4 ; d, =
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................Câu 6 : Cho hình vẽ: Biết xx’ // mm’ ; yy’// mm’ , AO OB , góc x’AO = 400
x A x’
400
m 1 m’
2 O







y B 1 y’
Tính góc O1 ; O2 ; B1
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ ................................................................................................................................................................

Câu 7: Tam giác ABC có góc A , B, C tỉ lệ với 1;2;3 . Hãy tính góc A, B , C của tam giác.
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Câu 8: Cho tam giác ABC có AB = AC , lấy M là trung điểm của BC , Kẻ AM .
a,Chứng minh AM vuông góc với BC
b,Trên tia đối của tia MA lấy điểm D sao cho MA = MD , chứng minh DB = DC
c, Chứng minh DA là phân giác của góc BDC.
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Trường THCS Liên Lộc


Kiểm tra học kì I Môn toán 7
Họ và tên : ....................................................................................... Lớp 7....

Điểm

Nhận xét của giáo viên


Đề bài :
Câu 1 : ( Khoanh tròn vào đầu chữ cái có đáp án đúng) Cho hàm số : y = f(x) = 3x – 1 .
- A. f(-1) = 4 ; B . f(1) = - 2 ; C . f(0) = 1 ; D . f(1) = 2 .
- Điểm nào sau đây thuộc đồ thị hàm số trên :
A. (1;2) ; B.(-1; 4) ; C. (0;1) ; D.(2; 0,5) .
Câu 2: Cho tam giác MNP có góc M = 500 , góc N = 65 , số đo góc P là :
A. 500 ; B. 600 ; C. 700 ; D. 650
Câu3 : Điền vào dấu (...) để được kết quả đúng :
= ...... ; (-3)0 = ........... ; = ............ ; (-2)2.23 = .................
Câu4 : Tính giá trị của biểu thức :
a, + 1 = .............................................................................................................................
b, (-0,25)2.25.3 = ...................................................................................................................................
c, - 2)2 -16 = .....................................................................................................................
d, 4 = ....................................................................................................................................
Câu5 : Tìm x biết : a, 5 = 0 ; b, = 0 ; c, x2 = 4 ; d, =
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................Câu 6 : Cho hình vẽ: Biết xx’ // mm’ ; yy’// mm’ , AO OB , góc x’AO = 400
x A x’
400
m 2 m’
1 O







y B 2