Kiem tra xịn

Trường THCS Trung Lương Kiểm tra 1 Tiết – NĂM HỌC 2011 – 2012
Họ và Tên:...................................... Môn: Toán 6
Lớp:...................................... Thời gian:45 phút
Điểm:
Lời phê của thầy cô giáo:




Đề bài:
Phần I: Trắc nghiệm (3đ)
Câu 1. Phép toán 6 2 : 4 . 3 + 2 . 5 2 có kết quả là:
A .77 B . 78 C . 79 D. 80
Câu 2. Tìm số tự nhiên x biết : 15 + 5 . x = 40?
A . x = 1 B . x = 2 C . x = 4 D . x = 5
Câu 3. Trong các tổng sau, tổng nào chia hết cho 9:
A. 144 + 16 B. 144 + 17 C. 144 + 18 D. 144 + 19
Câu 4. Tập hợp các ước của 12 là :
A. Ư(12) = (1 ; 2; 3; 4 ( B . Ư(12) = ( 0 ; 1 ; 2; 3; 4; 6; 12 (
C. Ư(12) = ( 1 ; 2; 3 ;4; 6; 12 ( D . Cả ba kết quả đều sai.
Câu 5. ƯCLN( 4 ; 6 ; 8 ) là:
A. 2 B . 4 C. 3 D. 5
Câu 6. Khẳng định nào đúng trong các khẳng định sau:
A . 80 ( BC ( 20 ; 30 ) B . 36 ( BC ( 4 ; 6 ; 8 )
C . 12 ( BC ( 4 ; 6 ; 8 ) D . 24 ( BC ( 4 ; 6 ; 8 )
Phần II: Tự luận (7đ)
Câu 1. Tìm số tự nhiên x biết (
a) 6x + 39 = 5628 : 28 b) 2x- 138= 24.32
Câu 2. (3đ)
a) Tìm số tự nhiên a nhỏ nhất khác 0,

b) Tìm số tự nhiên x
và 0 < x < 500
Câu 3. Học sinh lớp 6A khi xếp hàng 2, hàng 3, hàng 4, hàng 9 đều vừa đủ hàng. Tìm số học sinh lớp 6A, biết số học sinh lớp 6A trong khoảng từ 30 đến 60.(1đ)

Bài làm

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