Đề thi Học sinh giỏi môn Toán lớp 6 (Đề 1)

Chủ nhật - 10/03/2019 04:28
Đề thi Học sinh giỏi môn Toán lớp 6 (Đề 1) có đáp án kèm theo. Mời các bạn cùng tham khảo.

Bài 1. Tìm x, biết:





Bài 2.




Bài 3.







Tính số học sinh của lớp 6A.

Bài 4. Trên cùng một nửa mặt phẳng bờ là đường thẳng chứa tia Ox, vẽ hai tia Oy, Oz sao cho ∠xOy=70o , ∠xOz=35o

a) So sánh góc xOz và góc yOz

b) Tia Oz có là phân giác góc xOy không? Vì sao?

c) Vẽ Om là tia đối của tia Oz. So sánh ∠xOm và ∠yOm
ĐÁP ÁN
Bài 1.

Đề kiểm tra Toán 6 | Đề thi Toán 6







 
Đề kiểm tra Toán 6 | Đề thi Toán 6










Bài 2.

Đề kiểm tra Toán 6 | Đề thi Toán 6










Bài 3. Phân số chỉ 2 học sinh thêm vào đạt loại giỏi là:





Bài 4.









a) ∠xOz = ∠yOz =35o

b)Tia Oz là phân giác của góc xOy

c) ∠xOm = ∠yOm.

  Ý kiến bạn đọc

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