
Year3二上第二单元
Authored by Jessie Liu
Mathematics
2nd Grade
Used 5+ times

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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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