KT 15P - CHUONG II - SH6

Họ tên : ………………

Lớp : 6I 2 KIỂM TRA 15 PHÚT ( SH- C2)

Điểm
Lời phê của thầy cô giáo

 Đề bài ( Đề 1 )
Nêu các tính chất kết hợp của phép nhân các số nguyên và viết công thức tổng quát cho tính chất đó . Lấy ví dụ minh hoạ ?
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 nguyên x :
a) -2x – 8 = 72 b) 3.
= 27
c) 2x – 32 = 28 d) (x – 2)(5 – x) = 0
BàI LàM
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Họ tên : ………………

Lớp : 6I 2 KIỂM TRA 15 PHÚT ( SH- C2)

Điểm
Lời phê của thầy cô giáo

 Đề bài ( Đề 2 )
Nêu các tính chất phân phối của phép nhân các số nguyên và viết công thức tổng quát cho tính chất đó . Lấy ví dụ minh hoạ ?
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 nguyên x :
a) -2x – 18 = 72 b) 9.
= 27
c) 4x – 32 = - 28 d) (x – 5)(11 – x) = 0
BàI LàM
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