Đề thi học sinh giỏi cấp trường môn Toán + Tiếng Việt Lớp 4 - Năm học 2010-2011

Họ và tên:…………………………

Lớp 4….

ĐỀ THI HỌC SINH GIỎI CẤP TRƯỜNG

MÔN TOÁN- LỚP 4 Năm học: 2010 - 2011 (Thời gian 60 phút không kể thời gian giao đề)

Bài 1.Tính bằng cách thuận tiện:

a) 28400 : (100 x 311 – 310 x 100)

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b) 11

5 + 25

19 + 11

6 + 16

11 + 25

6 + 16

5

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Bài 2: Tìm x

a) 4590: (X - 24 + 14) = 30 b)61 x (126 : X) = 1281

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Bài 3: So sánh các phân số sau: (Không quy đồng tử số hoặc …