De kiem tra chuong I 2 de Tu luan

<span class='text_page_counter'>(1)</span>Trường THCS Ba Đồn. BÀI KIỂM TRA HÌNH HỌC-LỚP 7 Thời gian 45 phút. ĐỀ CHẴN. Họ tên học sinh:.....................................................................Lớp 7...... Điểm Bằng số Bằng chữ. Lời phê của thầy, cô giáo ………………………………………………………………………… ………………………………………………………………………… …………………………………………………………………………. Chữ ký:. Đề bài: Câu 1: ( 3 đ) Thực hiện phép tính bằng cách hợp lí 15. 7. 19. 15. 2. a) 34 + 21 + 34 −1 17 + 3. 3 1 1 b) (–2)3.( 4 –0,25) : ( 2 4 − 1 6 ). c). 2 3 2 3 16 : − +28 : − 7 5 7 5. ( ). ( ). Câu 2: ( 3 đ) Tìm x, biết: 2.x . 5 20  4 15. |2 x −1|=2 a) b) 1,5 : 0,3  x :  15 c) Bài 3: (3đ) Các cạnh của một tam giác có số đo tỉ lệ với các số 3; 4; 5. Tính các cạnh của tam giác biết chu vi của nó là 13,2 cm. Bài 4: (1đ) a) So sánh 290 và 536 n n n 2 n 2 b) Chứng minh: 3  2  3  2 chia hết cho 10 Bài làm. ...................................................................................................................................................................................... ...................................................................................................................................................................................... ...................................................................................................................................................................................... ...................................................................................................................................................................................... ...................................................................................................................................................................................... ...................................................................................................................................................................................... ...................................................................................................................................................................................... ...................................................................................................................................................................................... ...................................................................................................................................................................................... ...................................................................................................................................................................................... ...................................................................................................................................................................................... ...................................................................................................................................................................................... ...................................................................................................................................................................................... ...................................................................................................................................................................................... ...................................................................................................................................................................................... ...................................................................................................................................................................................... ...................................................................................................................................................................................... ...................................................................................................................................................................................... ...................................................................................................................................................................................... ...................................................................................................................................................................................... ...................................................................................................................................................................................... ...................................................................................................................................................................................... ...................................................................................................................................................................................... ...................................................................................................................................................................................... .......................................................................................................................................................................................

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Trường THCS Ba Đồn Điểm Bằng số Bằng chữ. BÀI KIỂM TRA HÌNH HỌC-LỚP 7 Thời gian 45 phút. ĐỀ LẺ. Họ tên học sinh:.................................................................Lớp 7...... Lời phê của thầy, cô giáo ………………………………………………………………………… …………………………………………………………………………. Chữ ký:. …………………………………………………………………………. Đề bài: Câu 1 (3đ) Thực hiện phép tính bằng cách hợp lí.

<span class='text_page_counter'>(3)</span> a). 11 15 11 2 . + . 12 33 12 22. b). 1 17 1 17 3/3 .11 − 3 .13 8 19 8 19. c). 28. 2  3 2  3 :     16 :    7  5 7  5. Bài 2: (3đ) Tìm x , biết : a). 1 x 4 : =6 :0,3 3 4. b). 2x . 3 1  5 4 6. 1 3   1   x      3    8  c). Bài 3: (3đ) Hưởng ứng đợt thi đua 20-11 của Liên Đội, ba chi đội 7A, 8A, 9A đã đạt được tổng cộng 120 tốt. Biết rằng số điểm tốt đạt được của ba chi đội lần lượt tỉ lệ với 9; 7; 8. Hãy tính số điểm tốt của mỗi chi đội. Bài 4: (1đ) a) So sánh 2225 và 3150 n n 1 n 2 b) Chứng minh 7  7  7 Chia hết cho 11 Bài làm ...................................................................................................................................................................................... ...................................................................................................................................................................................... ...................................................................................................................................................................................... ...................................................................................................................................................................................... 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