Giáo án lớp 6 môn học Số học - Kiểm tra 45 phút đề 6

<span class='text_page_counter'>(1)</span>Hä tªn:.................................. Líp: 6A Trường:THCS Tiên Động. KiÓm tra m«n sè häc Thêi gian 45phót. §iÓm. Lêi thÇy c« phª. §Ò bµi 6A PhÇn I: Tr¾c nghiÖm (3,0 ®iÓm) C©u 1 (1,0 ®iÓm): §iÒn vµo chç trèng (.....) cho thÝch hîp. 2 a) 7% viết dưới dạng số thập phân b) Số nghịch đảo của số 3 9 lµ:..................... lµ:................. c). 19 viết dưới dạng phân số thập phân 4. d) Số đối của số 7. lµ:....................... 2 5. lµ:............................... Câu 2 (2,0 điểm): Khoanh tròn vào chữ cái đứng trước ý đúng. 5 1  lµ: 12 4 3 b) KÕt qu¶ cña phÐp tÝnh 15 : lµ: 2 11 4 c) KÕt qu¶ cña phÐp tÝnh  lµ: 14 7 1 1 d) KÕt qu¶ cña phÐp tÝnh 8  3 lµ: 5 2. a) KÕt qu¶ cña phÐp tÝnh. PhÇn II: Tù luËn (7,0 ®iÓm) C©u 3 (3,0 ®iÓm): T×m x, biÕt: a). 28 12 .x  27 9. b). 4 8 30 A) 2 3 A) 14 1 A) 5 2. A). B). 2 3. C). 3 12. B) 10. C) -10. 15 14 7 B) 5 10. C). B). 7 7. C) 4. 3 2 5 :x  4 3 6. 1 2. c). 2 3 45 D) 2 3 D) 14 7 D) 4 10. D). 1 3 2 .x   2 4 5. C©u 4 (3,0 ®iÓm): TÝnh mét c¸ch hîp lÝ: A. 3 5 4 3 3 .  . 2 7 9 9 7 7. 1 2 3 B  0,5.1 .75% :  3 5 5. C©u 5 (1,0 ®iÓm): Chøng tá r»ng: 1 1 1 1  2  2  ...  2  1 2 2 3 4 50. Bµi lµm ............................................................................................................................................................................................. ............................................................................................................................................................................................. ............................................................................................................................................................................................. ............................................................................................................................................................................................. ............................................................................................................................................................................................. ............................................................................................................................................................................................. ............................................................................................................................................................................................. Lop6.net.

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Lop6.net.

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