Đề kiểm tra chương I - Môn đại số 7 tiết: 22

<span class='text_page_counter'>(1)</span>Trường THCS Mai Lâm Đề kiểm tra chương I - môn Đại số 7 Thêi gian: 45phót Ngµy.....th¸ng 11 n¨m 2009. TiÕt: 22. Hä vµ tªn: .............................................................. §iÓm. Líp: 7A1.. Lêi nhËn xÐt cña gi¸o viªn. I/ PhÇn tr¾c nghiÖm: (3®iÓm) C©u 1: (1®iÓm) a, Gi¸ trÞ cña biÓu thøc  A. -. 3 b»ng: 5. 3 5. B.. 5 3. C.. 3 5. D. -. 5 3.  42 b»ng:. b, Gi¸ trÞ cña biÓu thøc A. 4. B. -4. C. 2. C©u 2: (1®iÓm) KÕt qu¶ cña phÐp tÝnh A. -6. D. 16. 3 1 3 1 .19  .33 7 3 7 3. B. -2. lµ. C. -14. D.. 156 7. Câu 3: (1điểm) Cho đẳng thức: 3. 37,5 = 5. 22,5 Khoanh tròn vào chữ cái đứng trước tỉ lệ thức đúng: A.. 3 37,5  5 22,5. B.. 3 5  37,5 22,5. C.. 22,5 37,5  3 5. D.. 5 22,5  37,5 3. II/ PhÇn tù luËn: (7®iÓm) C©u 4: (3®iÓm) Thùc hiÖn phÐp tÝnh b»ng c¸ch hîp lÝ a,. 15 7 19 15 2   1  34 21 34 17 3 3 4. 1 4. 1 6. b, (-2)3.( -0,25) : ( 2  1 ) C©u 5: (2®iÓm) T×m x, biÕt: 3 5 1 x  2 4 6 3. Câu 6: (2điểm) Hưởng ứng phong trào Tết trồng cây, ba chi đội 7B, 7C:, 7B đã trồng được tổng cộng 120 cây xanh. Biết rằng số cây trồng được của ba chi đội lần lượt tỉ lệ với 9; 7; 8. Hãy tính số cây xanh mỗi chi đội trồng được.. Lop7.net.

<span class='text_page_counter'>(2)</span> Bµi lµm ............................................................................................................................................... .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. Lop7.net.

<span class='text_page_counter'>(3)</span> Trường THCS Mai Lâm Đề kiểm tra chương I - môn Đại số 7 Thêi gian: 45phót Ngµy.....th¸ng 11 n¨m 2009. TiÕt: 22. Hä vµ tªn: .............................................................. §iÓm. Líp: 7A1.. Lêi nhËn xÐt cña gi¸o viªn. I/ PhÇn tr¾c nghiÖm: (3®iÓm) C©u 1: (1®iÓm) a, Gi¸ trÞ cña biÓu thøc  A. -. 4 b»ng: 3. 4 3. B.. 3 4. C.. 4 3. D. -. 3 4.  62 b»ng:. b, Gi¸ trÞ cña biÓu thøc A. -6. B. 6. C. 3. C©u 2: (1®iÓm) KÕt qu¶ cña phÐp tÝnh A. -3. 4 1 4 1 .5  .20 5 6 5 6. B. -12. D. 36 lµ. C. -15. D.. 124 5. D.. 5 22,5  37,5 3. Câu 3: (1điểm) Cho đẳng thức: 5. 22,5 = 3. 37,5 Khoanh tròn vào chữ cái đứng trước tỉ lệ thức đúng: A.. 3 37,5  5 22,5. B.. 22,5 3  37,5 5. C.. 3 5  37,5 22,5. II/ PhÇn tù luËn: (7®iÓm) C©u 4: (3®iÓm) Thùc hiÖn phÐp tÝnh b»ng c¸ch hîp lÝ a,. 15 7 19 15 2   1  34 21 34 17 3 3 4. 1 4. 1 6. b, (-2)3.( -0,25) : ( 2  1 ) C©u 5: (2®iÓm) T×m x, biÕt: 3 1 1 x 1  4 6 3. Câu 6: (2điểm) Hưởng ứng phong trào Tết trồng cây, ba chi đội 7B, 7C:, 7B đã trồng được tổng cộng 120 cây xanh. Biết rằng số cây trồng được của ba chi đội lần lượt tỉ lệ với 7; 8; 9. Hãy tính số cây xanh mỗi chi đội trồng được.. Lop7.net.

<span class='text_page_counter'>(4)</span> Bµi lµm ............................................................................................................................................... .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. Lop7.net.

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