KT 15 phut dai so 7

Chia sẻ bởi Nguyễn Thị Thu Hoài | Ngày 12/10/2018 | 59

Chia sẻ tài liệu: KT 15 phut dai so 7 thuộc Đại số 7

Nội dung tài liệu:

Họ và tên: .............................................. đề kiểm tra toán 7 - Đại số
Thời gian: 15 phút
Lớp: ..............

Điểm
Lời phê của cô giáo







Đề bài:
I/ Phần trắc nghiệm (4điểm)
Câu 1: Trong các phân số sau, phân số nào biểu diễn số hữu tỷ
A.
B.

C.
D. Một đáp số khác

 Câu 2: Câu nào trong các câu sau sai?

A. = 2
B. = -(-0,25)

C. -7
D. = 2


Câu 3: Câu nào trong các câu sau sai?
A.
B.

C
D. (0,37)5 : (0,37)2 = (0,37)3

Câu 4: Cặp tỷ số nào dưới đây lạp thành một tỷ lệ thức
2,5 : 0,5 và 15 : 3 B. và
II/ Phần tự luận: (6điểm)
Câu 1: Tìm x biết:
a, x + = b, =
Câu 2: Lập các tỷ lệ thức có được từ các số : 6; 9; 42; 63


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Người chia sẻ: Nguyễn Thị Thu Hoài
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