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Bài tập ôn tập Toán lớp 4 phần Phân số

4

Bài tập ôn tập Toán lớp 4 phần Phân số. Tài liệu được sưu tầm giúp bạn tham khảo, ôn tập và đạt kết quả cao. Mời bạn đọc đón xem.

Chủ đề: Chủ đề 10: Phân số (KNTT) 30 tài liệu

Môn: Toán 4 2.1 K tài liệu

Tác giả:

Profile

Huyền Hoàng

19 giờ trước
Tải xuống
Báo cáo
Danh sách Quiz
Tải xuống
/4
Bài 5: Tìm
x
, biết
a)
56
7 49
x
=
b)
15 5
27 x
=
c)
3
36 4
x
=
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BTVN
Bài 1: Viết số thích hợp vào ô trống:
a)
50 10
75 3
==
b)
39
5 10 20
= = =
c)
3
3 9 27
==
d)
e)
84
12 3
==
f)
4 12
6 12
==
Bài 2: Rút gọn các phân số sau về phân số tối giản
4 12 15 11 75 12 9 75 15
; ; ; ; ; ; ; ;
6 8 25 22 36 36 72 300 35
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Bài 3: Tính theo mẫu và rút gọn (nếu có thể):
Mẫu :
23 5
3 5
2
7
7
=
a)
2 5 8
5 8 3


8 7 5
11 8 7


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b)
19 2 5
19 3 5


6 7 8 9
7 8 9 10
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Bài 4: Rút gọn các phân số sau về phân số tối giản và so sánh phân số đó với 1?
a)
54
48
b)
72
80
c)
162
180
d)
630
140
d)
105105105
150150150
e)
222222
144144
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Tài liệu khác của Toán 4

Preview text:

Bài 5: Tìm x , biết x 56 15 5 x 3 a) = b) = c) = 7 49 27 x 36 4
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.................................................................................................................................................. BTVN
Bài 1: Viết số thích hợp vào ô trống: 50 10 3 9 a) = = b) = = = 75 3 5 10 20 3 20 2 c) = = d) = = 3 9 27 10 5 8 4 4 12 e) = = f) = = 12 3 6 12
Bài 2: Rút gọn các phân số sau về phân số tối giản 4 12 15 11 75 12 9 75 15 ; ; ; ; ; ; ; ; 6 8 25 22 36 36 72 300 35
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Bài 3: Tính theo mẫu và rút gọn (nếu có thể): 2  3  5 2 Mẫu : = 3  5  7 7 2  58 8 7  5 a) 5 8 3 118 7
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.................................................................................................................................................. 19  2  5 6  7 8 9 b) 19  3 5 7 8 9 10
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Bài 4: Rút gọn các phân số sau về phân số tối giản và so sánh phân số đó với 1? 54 72 162 630 105105105 222222 a) b) c) d) d) e) 48 80 180 140 150150150 144144
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