Kiểm tra 1 tiết
Chia sẻ bởi Nguyễn Thị Hạnh |
Ngày 27/04/2019 |
33
Chia sẻ tài liệu: Kiểm tra 1 tiết thuộc Đại số 7
Nội dung tài liệu:
Trường THCS Bình Minh
Họ và Tên:………………………………..… KIỂM TRA 1 TIẾT CHƯƠNG I
Lớp: 7……MÔN: ĐẠI SỐ
Thời gian 45 phút
Điểm
Nhận Xét Của GV
CÂU HỎI:
I/ TRẮC NGHIỆM: (3 điểm)
Câu 1:(Hãy khoanh tròn chữ cái đứng trước câu trả lời đúng)
Kết quả làm tròn số 0,919 đến chữ số thập phân thứ hai là:
A. 0,91 ; B. 0,9 ; C. 0, 99 ; D. 0,92
Câu 2:(Hãy khoanh tròn chữ cái đứng trước câu trả lời đúng)
Viết dưới dạng lũy thừa của bằng:
A
1
3
6 ; B. ; C. ; D.
Câu 3: Đánh dấu “x” vào ô thích hợp
Câu
Nội dung
Đúng
Sai
1
𝑥
𝑚
𝑛
𝑥
𝑚+𝑛
2
Nếu ad = bc và a, b, c, d ≠ 0 thì ta có tỉ lệ thức
d
b
c
a
3
Số vô tỉ là số viết được dưới dạng số thập phân vô hạn tuần hoàn
4
với mọi x ( Q
Câu 4: Nối mỗi ý ở I với một ý ở cột II để được một khẳng định đúng:
Cột I
Cột II
1/ Giá trị của biểu thức bằng:
A.
2
5
2/ Kết quả phép tính
3
5
1
5) bằng:
B. 16
3/ Giá trị x là:
C.
4/ Cho = 3 thì giá trị m bằng:
D. 3 hoặc -3
E. 9
Câu 5: Em hãy điền vào chỗ trống để được bài toán đúng :
𝑥
𝑦
7
3
𝑥
7
3
𝑥−𝑦
16
…
=…
𝑥=4.7
𝑦=4.3
II/TỰ LUẬN(7điểm)
Câu 1:(2 điểm) Thực hiên phép tính:
𝑎−2
5
3
7
𝑏) 0,75+ 0,62+0,25+0,38
Câu 2:(2 điểm)Tìm giá trị x biết: 𝑎) −3
5.𝑥
21
10
𝑏)
𝑥
6
7
3
Câu 3: (2,5 điểm) Số học sinh bốn lớp 6A, 6B, 6C, 6D lần lượt tỉ lệ với các số
9; 8; 7; 6. Biết rằng số học sinh lớp 6D ít hơn số học sinh lớp 6B là 10 học sinh. Tính số học sinh mỗi lớp?
Câu 4:(0,5 điểm) Biết rằng
Em hãy tính giá trị biểu thức :
BÀI LÀM:
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Họ và Tên:………………………………..… KIỂM TRA 1 TIẾT CHƯƠNG I
Lớp: 7……MÔN: ĐẠI SỐ
Thời gian 45 phút
Điểm
Nhận Xét Của GV
CÂU HỎI:
I/ TRẮC NGHIỆM: (3 điểm)
Câu 1:(Hãy khoanh tròn chữ cái đứng trước câu trả lời đúng)
Kết quả làm tròn số 0,919 đến chữ số thập phân thứ hai là:
A. 0,91 ; B. 0,9 ; C. 0, 99 ; D. 0,92
Câu 2:(Hãy khoanh tròn chữ cái đứng trước câu trả lời đúng)
Viết dưới dạng lũy thừa của bằng:
A
1
3
6 ; B. ; C. ; D.
Câu 3: Đánh dấu “x” vào ô thích hợp
Câu
Nội dung
Đúng
Sai
1
𝑥
𝑚
𝑛
𝑥
𝑚+𝑛
2
Nếu ad = bc và a, b, c, d ≠ 0 thì ta có tỉ lệ thức
d
b
c
a
3
Số vô tỉ là số viết được dưới dạng số thập phân vô hạn tuần hoàn
4
với mọi x ( Q
Câu 4: Nối mỗi ý ở I với một ý ở cột II để được một khẳng định đúng:
Cột I
Cột II
1/ Giá trị của biểu thức bằng:
A.
2
5
2/ Kết quả phép tính
3
5
1
5) bằng:
B. 16
3/ Giá trị x là:
C.
4/ Cho = 3 thì giá trị m bằng:
D. 3 hoặc -3
E. 9
Câu 5: Em hãy điền vào chỗ trống để được bài toán đúng :
𝑥
𝑦
7
3
𝑥
7
3
𝑥−𝑦
16
…
=…
𝑥=4.7
𝑦=4.3
II/TỰ LUẬN(7điểm)
Câu 1:(2 điểm) Thực hiên phép tính:
𝑎−2
5
3
7
𝑏) 0,75+ 0,62+0,25+0,38
Câu 2:(2 điểm)Tìm giá trị x biết: 𝑎) −3
5.𝑥
21
10
𝑏)
𝑥
6
7
3
Câu 3: (2,5 điểm) Số học sinh bốn lớp 6A, 6B, 6C, 6D lần lượt tỉ lệ với các số
9; 8; 7; 6. Biết rằng số học sinh lớp 6D ít hơn số học sinh lớp 6B là 10 học sinh. Tính số học sinh mỗi lớp?
Câu 4:(0,5 điểm) Biết rằng
Em hãy tính giá trị biểu thức :
BÀI LÀM:
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Người chia sẻ: Nguyễn Thị Hạnh
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