
Year4三上第二单元
Authored by Jessie Liu
Mathematics
3rd Grade
Used 7+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
估算618-309,得数与下面的( )最接近。A. 300 B. 310 C. 320
A. 300
B. 310
C. 320
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
估算458+264的结果应该( )。A. 比700多一些 B. 比600多一些 C. 比500多一些
A. 比700多一些
B. 比600多一些
C. 比500多一些
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
小明在口算一道减法题时,先想540-200=340,再想340-30=310,他是在口算( )。
540-200
540-320
540-230
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
下列算式中,得数最接近700的是( )。
A. 689+217
B. 618+89
C. 420-308
D. 824-214
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
297+404的和接近( )。
B. 700
D. 500
C. 800
A. 600
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
小红家、小明家和学校在同一条街上,小红家离学校300米,小明家离学校500米,小红家和小明家相距( )米。
200或800
500
300
1000
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
被减数是710,减数是90,差是( )。
620
500
800
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