Đề kiểm tra một tiết môn Số học (dành cho học sinh lớp chọn)

Họ và tên: .......................................... Kiểm tra 1 tiết 
Lớp :6 a Môn: Số học 6
A. Phần trắc nghiệm:
Câu 1. Khoanh tròn vào chữ cái đứng trước câu trả lời đúng:
1. Cho tập hợp A = { x N*/ x ≤ 6} ta có:
 A. 6 ẽ A và 0 ẻ A	 B. 6 ẽ A; 	 C. 0 ẻ A	 D. 0 ẽ A và 6 ẻ A
2. Số tự nhiên liền sau số tự nhiên a là:
 A. a + 1(a ẻ N);	B. a - 1(a ẻ N); 	C. a + 2 (a ẻ N);	D. a - 2 (a ẻ N)
3. Tập hợp B = { x ẻ N / x 10 } có:
	A. 9 phần tử;	B. 10 phần tử; 	C. 11 phần tử; 	D. 12 phần tử
Câu2: Điền dấu x vào ô thích hợp:
 Câu
 Đúng
 Sai
a, 63 x 64 = 3612
b, 55 : 5 = 55
c, 53 x 5 = 24
d, 46 : 42 = 43
e, 55 = 25
g, 128 : 124 = 124 
B. Phần tự luận:
Câu 1: Tính:
 a) 17 . 85 + 15 . 17 - 120
 b) 27 . 65 + 35 . 33 – 150 
 c) 3 . 52 - 16 : 22
 d) (315 . 4 + 5 . 3 15 ) : 316
Câu 2: Tìm số tự nhiên x biết
2. x – 16 = 23 
4.(x + 25) = 120
c) 5 x + 1 = 125
Câu 3: Bạn An có 35000 đồng dùng để mua vở. Có hai loại vở: loại I giá 2500 đồng, loại II giá 1500 đồng. Bạn An mua được nhiều nhất bao nhiêu quyển vở nếu:
Bạn An chỉ mua vở loại I.
Bạn An chỉ mua vở loại II
Bạn An mua 8 quyển vở loại I, số tiền còn lại mua vở loại II
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