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Year3二上第二单元

Authored by Jessie Liu

Mathematics

2nd Grade

Used 5+ times

Year3二上第二单元
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15 questions

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1.

FILL IN THE BLANKS QUESTION

1 min • 2 pts

比54多13的数是(  );比68少26的数是(  )。

(a)  

Answer explanation

比54多13的数是54+13=67;比68少26的数是68-26=42。因此,答案是67和42。

2.

FILL IN THE BLANKS QUESTION

1 min • 2 pts

一个文具盒28元,比一盏台灯少37元,一盏台灯要(  )元,买这两件物品需要(  )元。

(a)  

Answer explanation

文具盒28元,台灯比文具盒贵37元,所以台灯价格为28 + 37 = 65元。购买这两件物品的总价为28 + 65 = 93元。因此,台灯要65元,买这两件物品需要93元。

3.

FILL IN THE BLANKS QUESTION

1 min • 3 pts

找规律填数。(1)37,45,53,(  ) (  ) (  )。

(a)  

Answer explanation

观察数列,37到45增加8,45到53增加8,规律是每次增加8。因此下一个数是53+8=61,接下来是61+8=69,最后是69+8=77。所以填入的数是61, 69, 77。

4.

FILL IN THE BLANKS QUESTION

1 min • 3 pts

找规律填数。(2)92,83,74,(  ) (  ) (  )。

(a)  

Answer explanation

观察数列92, 83, 74,发现每个数依次减去9,再减去9,得到65, 56, 47。因此,填入的数是65, 56, 47。

5.

FILL IN THE BLANKS QUESTION

1 min • 2 pts

王老师剪了38朵红花和24朵黄花,昨天奖给小朋友们29朵,还剩(  )朵花。

(a)  

Answer explanation

王老师剪了38朵红花和24朵黄花,总共是38 + 24 = 62朵花。奖给小朋友们29朵后,剩下62 - 29 = 33朵花。

6.

FILL IN THE BLANKS QUESTION

1 min • 4 pts

在( )里填上合适的数。

( ) -27=46

87-( )=25

( )+35-28=41

73-( )=34

(a)  

7.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

一个数加( ),和还是原来的数。

1

0

10

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