Kiem tra 15 phut so hoc 6

Trường THCS Thái Tân Kiểm tra 15 phút – Môn: Toán 6
Họ tên:............................................. Ngày: ......................
Lớp: .........
Điểm




Lời phê của thầy (cô) giáo

Đề bài
Phần 1. Trắc nghiệm (3.0 điểm)
Khoanh vào phương án đúng cho các câu sau:
Câu 1. Cho tập hợp A = {1; 2; 3; 4}. Kí hiệu nào sau đây là đúng?
a, 1 ( A b, 2 ( A c, {1; 2} ( A d, 5 ( A
Câu 2. Điều kiện để xảy ra phép trừ sau a – b là:
a, a < b b, a > b c, a = b d, a ≥ b
Câu 3. Giá trị của 32 bằng:
a, 9 b, 6 c, 4 d, 8
Phần 2. Tự luận (7,0 điểm)
Câu 1(5 diểm) Thực hiện tính bằng cách hợp lí nhất
a. 123 + 45 + 77
b. 172. 25 – 72 . 25
c. 23. 65 + 23 . 35 – 100
Câu 2 (2 điểm) Tìm số tự nhiên x biết
a. x – 205 = 0
b. (2x – 1)2 = 9
Bài làm
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