20 + 30 =
Cộng trừ các số tròn chục

Quiz
•
Mathematics
•
1st Grade
•
Easy
Mai Bui
Used 921+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
50
40
60
10
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
60 - 40 =
50
30
10
20
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hoa có 30 quyển vở, Trang có 40 quyển vở. Hỏi cả hai bạn có tất cả bao nhiêu quyển vở?
50
70
80
60
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5 chục = .........
20
30
40
50
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
50 cm + 40 cm =
70 cm
90
90 cm
70
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
60 - 10 ....... 30
<
>
=
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
50 - 20 + 10 =
10
20
30
40
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