ĐỀ THI HSG 3-4-5
Chia sẻ bởi Hoàng Đình Thái |
Ngày 09/10/2018 |
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Chia sẻ tài liệu: ĐỀ THI HSG 3-4-5 thuộc Toán học 2
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đề thi khảo sát học sinh giỏi - tháng 11 năm 2010
Môn thi: Toán Thời gian: 60 phút.
Họ và tên: ................................................................................... Lớp 4: .......
Bài 1. Tìm X:
a, X x 7 = 7534 + 4863 a, 7 x (15 + X) = 210
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Bài 2. Viết tiếp 3 số vào các dãy số sau và nêu quy luật của mỗi dãy:
a, 10, 12, 22, 34......................................................................................................................
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b, 1, 2, 4, 8, 16. .................................................................................................................
.......................................................................................................................................................... Bài 3. Có hai rổ cam. Nếu thêm vào rổ thứ nhất 4 quả cam thì sau đó số cam hai rổ bằng nhau. Nếu thêm 28 quả cam vào rổ thứ nhất thì số cam rổ thứ nhất gấp 3 lần số cam rổ thứ hai. Hỏi lúc đầu mỗi rổ có bao nhiêu quả cam?
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Bài 4. Tìm thương của hai số, biết rằng thương đó bằng nửa số bị chia và gấp 6 lần số chia.
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Bài 5. Một hình chữ nhật có chu vi 36 m. Nếu tăng chiều rộng lên gấp đôi thì hình chữ nhật trở thành hình vuông. Tính diện tích hình chữ nhật đó.
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Bài 6. Trong ngày hội trồng cây, khối lớp 5 trồng được 162 cây, khối lớp 4 trồng được 146 cây, khối lớp 3 trồng kém mức trung bình của hai khối trước là 10 cây, khối lớp 2 trồng kém mức trung bình cộng của cả bốn khối là 35 cây. Hỏi khối lớp 2 trồng được bao nhiêu cây?
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đề thi khảo sát học sinh giỏi - tháng 11 năm 2010
Môn thi: Tiếng Việt Thời gian: 60 phút.
Họ và tên: ................................................................................... Lớp 4: .......
Bài 1. Khoanh vào chữ cái trước những từ viết sai chính tả:
A. mưa bảo; B. não nùng; C. Nghã gục; D. suy nghỉ; E. lỗi lầm.
Bài 2. a, Tìm 2 từ láy, 2 từ ghép có tiếng to, có tiếng nhỏ, có tiếng xinh, có tiếng xấu, có tiếng mới
............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ b, Đặt câu có chứa một từ láy 3 tiếng:
Bài 3. a, Tìm các danh từ chỉ khái niệm trong số các danh từ in đậm dưới đây:
Nhưng thưa các Thiên thần, cũng ngay đêm nay thôi, nơi trần gian này, các Thiên thần có nhìn thấy không, những số phận, những mảnh đời còn nặng trĩu đau buồn.
....................................................................................................................................................................................................................................................................................................................
b, Em hãy đặt một câu có chứa từ: loạng choạng
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Bài 4. Em hãy tưởng tượng và kể lại câu chuyện với phần mở đầu như sau:
Tôi đã có một giấc mơ, một giấc mơ thật ngọt ngào…
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đề thi khảo sát học sinh giỏi - tháng 11 năm 2010
Môn thi: Toán Thời gian: 60 phút.
Họ và tên: ................................................................................... Lớp 5: .......
Bài 1. Tìm X:
a, X + = 2x 3b, + (X - = 6
....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Bài 2. Tính nhanh:
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Bài 3. Tìm một số có 4 chữ số, biết rằng khi viết thêm chữ số 5 vào bên phải ta được số lớn gấp 5 lần số nhận được khi ta viết thêm chữ số 1 vào bên trái số phải tìm.
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Bài 4. Một trại chăn nuôi số bò bằng số dê, biết số bò ít hơn số dê là 12 con. Hỏi trại chăn nuôi có bao nhiêu con
Môn thi: Toán Thời gian: 60 phút.
Họ và tên: ................................................................................... Lớp 4: .......
Bài 1. Tìm X:
a, X x 7 = 7534 + 4863 a, 7 x (15 + X) = 210
..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Bài 2. Viết tiếp 3 số vào các dãy số sau và nêu quy luật của mỗi dãy:
a, 10, 12, 22, 34......................................................................................................................
..........................................................................................................................................................
b, 1, 2, 4, 8, 16. .................................................................................................................
.......................................................................................................................................................... Bài 3. Có hai rổ cam. Nếu thêm vào rổ thứ nhất 4 quả cam thì sau đó số cam hai rổ bằng nhau. Nếu thêm 28 quả cam vào rổ thứ nhất thì số cam rổ thứ nhất gấp 3 lần số cam rổ thứ hai. Hỏi lúc đầu mỗi rổ có bao nhiêu quả cam?
....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Bài 4. Tìm thương của hai số, biết rằng thương đó bằng nửa số bị chia và gấp 6 lần số chia.
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Bài 5. Một hình chữ nhật có chu vi 36 m. Nếu tăng chiều rộng lên gấp đôi thì hình chữ nhật trở thành hình vuông. Tính diện tích hình chữ nhật đó.
...........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Bài 6. Trong ngày hội trồng cây, khối lớp 5 trồng được 162 cây, khối lớp 4 trồng được 146 cây, khối lớp 3 trồng kém mức trung bình của hai khối trước là 10 cây, khối lớp 2 trồng kém mức trung bình cộng của cả bốn khối là 35 cây. Hỏi khối lớp 2 trồng được bao nhiêu cây?
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đề thi khảo sát học sinh giỏi - tháng 11 năm 2010
Môn thi: Tiếng Việt Thời gian: 60 phút.
Họ và tên: ................................................................................... Lớp 4: .......
Bài 1. Khoanh vào chữ cái trước những từ viết sai chính tả:
A. mưa bảo; B. não nùng; C. Nghã gục; D. suy nghỉ; E. lỗi lầm.
Bài 2. a, Tìm 2 từ láy, 2 từ ghép có tiếng to, có tiếng nhỏ, có tiếng xinh, có tiếng xấu, có tiếng mới
............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ b, Đặt câu có chứa một từ láy 3 tiếng:
Bài 3. a, Tìm các danh từ chỉ khái niệm trong số các danh từ in đậm dưới đây:
Nhưng thưa các Thiên thần, cũng ngay đêm nay thôi, nơi trần gian này, các Thiên thần có nhìn thấy không, những số phận, những mảnh đời còn nặng trĩu đau buồn.
....................................................................................................................................................................................................................................................................................................................
b, Em hãy đặt một câu có chứa từ: loạng choạng
..........................................................................................................................................................
Bài 4. Em hãy tưởng tượng và kể lại câu chuyện với phần mở đầu như sau:
Tôi đã có một giấc mơ, một giấc mơ thật ngọt ngào…
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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đề thi khảo sát học sinh giỏi - tháng 11 năm 2010
Môn thi: Toán Thời gian: 60 phút.
Họ và tên: ................................................................................... Lớp 5: .......
Bài 1. Tìm X:
a, X + = 2x 3b, + (X - = 6
....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Bài 2. Tính nhanh:
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Bài 3. Tìm một số có 4 chữ số, biết rằng khi viết thêm chữ số 5 vào bên phải ta được số lớn gấp 5 lần số nhận được khi ta viết thêm chữ số 1 vào bên trái số phải tìm.
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........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Bài 4. Một trại chăn nuôi số bò bằng số dê, biết số bò ít hơn số dê là 12 con. Hỏi trại chăn nuôi có bao nhiêu con
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