Bài kiểm tra 15 phút môn: Số học 6 - Trường THCS Định Tăng

Trường THCS định tăng bài kiểm tra 15 phút
 Năm học: 2010 – 2011 Môn: Số học 6
 Họ và tên :............................................................ Lớp :...........
 Điểm Lời phê của thầy, cô giáo
Câu 1(4đ): a, (- 25 ) + ( - 38)
 	 b, ( - 42 ) + 87 + ( - 19) + 36
Câu 2(3đ) Điền dấu > , < thích hợp vào ô trống:
 a, - 27 	 + 48
 b, - 108 + a 	 - 18 + a ( với a Z )
 c, - 35 	 - 25 + b ( với b Z và b > - 10 )
Câu 3(3đ): Tính tổng các số nguyên x biết : - 50 x < 50
Bài làm
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