北师大版一年级上册数学《第三单元:加与减(一)》练习试卷7
北师大版一年级上册数学《第三单元:加与减(一)》练习试卷7第2页

 2、在○里填上"+"、"-"。(9分)

 3 ○ 6 = 9 10 ○ 5 = 5 7 ○ 3 = 4

 6 ○ 3 = 3 2 ○ 8 = 10 1 ○ 0= 1

 4 ○ 1 = 3 1 ○ 2 = 3 5 ○ 5 = 0

3、在括号里填上合适的数。(9分)

 6 + ( )= 7 5 + ( )= 8 4 + ( )= 9

( )+ 1 = 9 3 + ( )= 9 8-( ) = 2

 7 -( ) = 5 6 - ( )= 4 0 + ( )= 6

三、画一画,算一算。(16分)

○○○ ○ ○ 3+ 2 = 5   例:

○○○○    4 + 3 = ○    1 + 4 =

○○○○○ 5 - 2 =

○○○○ 4 - 3 =