
Luyện tập
Authored by Kim Bùi
Mathematics
1st - 5th Grade
Used 11+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
90 - 70 = ?
A. 10
B. 20
C. 30
D. 40
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
40 + 10 = ?
A. 20
B. 40
C. 30
D. 50
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
80 + 10 = ?
A. 60
B. 70
C. 80
D. 90
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
60 - 50 = ?
A. 10
B. 20
C. 30
D. 40
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
90 - 20 = ?
A. 90
B. 80
C. 70
D. 60
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
10 + 20 = ?
A. 20
B. 30
C. 40
D. 50
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
70 - 30 = ?
A. 20
B. 40
C. 30
D. 10
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