KT 15P CHUONG II SH6

<span class='text_page_counter'>(1)</span>Họ tên : ……………… Lớp : 6I 2 Điểm. KIỂM TRA 15 PHÚT ( SH- C2) Lời phê của thầy cô giáo. Đề bài ( §Ò 1 ) 1. Nªu c¸c tÝnh chÊt kÕt hîp cña phÐp nh©n c¸c sè nguyªn vµ viÕt c«ng thøc tæng quát cho tính chất đó . Lấy ví dụ minh hoạ ? 2. Thực hiện phép tính (bằng cách hợp lí nếu có thể) a) 53.(-15) + (-15).47 b) 43.(53 – 81) + 53.(81 – 43) 3. Tìm số nguyªn x biết: a) -2x – 8 = 72 b) 3. |x − 1| = 27 c) 2x – 32 = 28 d) (x – 2)(5 – x) = 0 BµI LµM. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................ Họ tên : ……………… Lớp : 6I 2 KIỂM TRA 15 PHÚT ( SH- C2).

<span class='text_page_counter'>(2)</span> Điểm. Lời phê của thầy cô giáo. Đề bài ( §Ò 2 ) 3. Nªu c¸c tÝnh chÊt ph©n phèi cña phÐp nh©n c¸c sè nguyªn vµ viÕt c«ng thøc tổng quát cho tính chất đó . Lấy ví dụ minh hoạ ? 4. Thực hiện phép tính (bằng cách hợp lí nếu có thể) a) 37.(-15) + (-15).63 b) 13.(53 – 81) + 63.(81 – 13) 3. Tìm số nguyªn x biết: a) -2x – 18 = 72 b) 9. |x − 1| = 27 c) 4x – 32 = - 28 d) (x – 5)(11 – x) = 0 BµI LµM. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ............................................................................................................................................. ..............................................................................................................................................

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