kiem tra 1 tiet toan 6 tiet 39
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<span class='text_page_counter'>(1)</span>PHÒNG GD&ĐT THÀNH PHÔ TRƯỜNG THCS CHI LĂNG. Ngày 14 tháng 02 năm 2014. BÀI KIỂM TRA 1 TIẾT Môn: Đại số Họ và tên: …………………………………………. Lớp: 6A... Điểm. Lời nhận xét của giáo viên. Câu 1 (1 điểm). Hãy so sánh hai số nguyên: – 3 và – 9. Biểu diễn hai số – 3 và – 9 trên trục số. Câu 2 (3 điểm) a) Tính: ( 15) + ( 40) + 28 b) Tính nhanh: 2.4.15 + 8.5 Câu 3 (2 điểm) a) Tính: ( 5) (12 17) b) Tính nhanh: (27 + 65) + (129 27 65) Câu 4 (4 điểm) a) Tìm số nguyên x, biết: 2x 24 = 36 a 25. b) Tìm số nguyên a, biết: c) Tìm tập hợp A các số nguyên x sao cho – 3 < x < 3 thỏa mãn đẳng thức: x( 3 + x ) = – 2 ............................................................................................................................................... . ............................................................................................................................................... . ............................................................................................................................................... . ............................................................................................................................................... . ............................................................................................................................................... . ............................................................................................................................................... ..
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<span class='text_page_counter'>(4)</span> ............................................................................................................................................... . ............................................................................................................................................... . ............................................................................................................................................... . ............................................................................................................................................... . ............................................................................................................................................... . ............................................................................................................................................... . PHÒNG GD&ĐT THÀNH PHÔ TRƯỜNG THCS CHI LĂNG. Ngày 14 tháng 02 năm 2014. BÀI KIỂM TRA 1 TIẾT Môn: Đại số Họ và tên: …………………………………………. Lớp: 6A1 Điểm. Lời nhận xét của giáo viên. Câu 1 (1 điểm). Hãy so sánh hai số nguyên: – 3 và – 9. Biểu diễn hai số – 3 và – 9 trên trục số. Câu 2 (3 điểm) a) Tính: ( 15) + ( 40) + 28 b) Tính nhanh: 2.4.15 + 8.5 Câu 3 (2 điểm) a) Tính: ( 5) (12 17) b) Tính nhanh: (27 + 65) + (129 27 65) Câu 4 (4 điểm) a) Tìm số nguyên x, biết: 1) 2x 24 = 36 2) 14 – ( 16 + x ) = x – ( 27 – 11) b) Tìm số nguyên a, biết:. 1). a 25.
<span class='text_page_counter'>(5)</span> a 4. 2) =2 c) Tìm tập hợp A các số nguyên x sao cho – 3 < x < 3 thỏa mãn đẳng thức: x( 3 + x ) = – 2 ............................................................................................................................................... . ............................................................................................................................................... . ............................................................................................................................................... . ............................................................................................................................................... . ............................................................................................................................................... . ............................................................................................................................................... . ............................................................................................................................................... . ............................................................................................................................................... . ............................................................................................................................................... . ............................................................................................................................................... . ............................................................................................................................................... . ............................................................................................................................................... . ............................................................................................................................................... . ............................................................................................................................................... ..
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