
ÔN TẬP TUẦN 11
Presentation
•
Mathematics, World Languages
•
4th Grade
•
Medium
Hà Võ
Used 2+ times
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6 Slides • 10 Questions
1
by Hà Võ
2
Hai đơn vị liền kề hơn kém nhau 100 lần, nghĩa là cứ đổi sang một đơn vị liền kề ta thêm 2 chữ số 0 hoặc bớt 2 chữ số 0
3
4
Multiple Choice
23 m2 = ..... dm2
230
2300
23000
230000
5
Multiple Choice
45 m2 = .... cm2
450
4500
45000
450000
6
Multiple Choice
27 m2 13 dm2 = ....... dm2
2713
27013
27130
270013
7
8
Multiple Choice
19 m2 32 cm2 = ....... cm2
1932
19032
190032
193200
9
Multiple Choice
50000 cm2 = ....... m2
5
50
500
5000
10
Multiple Choice
2000 dm2 = ....... m2
2
20
200
20000
11
M: 57 x 99 = 57 x (100 - 1) = 57 x 100 - 57 x 1
= 5700 - 57 = 5643
12
a) 267 x 13 - 267 x 3
b) 821 x 56 + 821 x 44
c) 459 x 5 x 2
13
Multiple Choice
356 x 10 =...?
3056
3506
3560
35600
14
Multiple Choice
36 x 27 - 36 x 17 = ? cách làm nào sau đây là thuận tiện nhất?
36 x 27 - 36 x 17 = 36 x (27 + 17) = 36 x 44 = 360
36 x 27 - 36 x 17 = 36 x (27 - 17) = 36 x 10 = 360
15
Multiple Choice
Biểu thức nào có dạng nhân một số với một hiệu?
a x (b + c)
a x b - c
(a-b) x c
a x (b - c)
16
Multiple Choice
Biểu thức nào sau đây có dạng nhân một tổng với một số?
(a + b) x c
a x (b + c)
a + b x c
(a - b) x c
by Hà Võ
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