
toan k5
Authored by dang le
Mathematics
2nd Grade
Used 1+ times

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35 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a) Chữ số 3 trong số thập phân 98,235 có giá trị là: (0,5đ)
A
3
3/10
3/100
3/1000
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
) Số thập phân 718,45 giảm đi bao nhiêu lần nếu ta dịch chuyển dấu phẩy sang trái một chữ số:
A. 2 lần
B. 10 lần
C. Không thay đổi
D. 100 lần
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số thích hợp để điền vào chỗ trống trong phép tính 28/32 = 7/.......... là: (0,5đ)
6
7
8
9
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phân số 3/4 viết dưới dạng tỉ số phần trăm là: (0,5đ)
A. 25%
B. 34%
C. 75%
D. 85%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khoảng thời gian từ 7 giờ kém 15 phút đến 7 giờ 15 phút là: (0,5đ)
A. 15 phút
B. 30 phút
C. 45 phút
D. 1 giờ
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Biểu thức 6,72 + 3,4 x 2,5 có giá trị là: (0,5đ)
A. 15,22
B. 25,3
C. 16,32
D. 20,4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số dư của phép chia 27,16 : 25 = 1,08 là: (0,5đ)
A. 1,6
B. 0,16
C. 16
D. 0,016
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