十幾減8、7、6

圈一圈，算一算

1.

15 - 8 = ( )

15 - 7 = ( )

2.

13 - 8 = ( )

看誰(shuí)算得又對(duì)又快

17-8= 13-7= 11-6= 12-8= 15-7= 14-6=

( )+6=11 8+( )=12 7+( )=13

( )+8=13 9+( )=16 12-( )=6

解決問(wèn)題

1.

( 支)

2.

( 個(gè))

答案和解析

圈一圈，算一算

1. 7 8

2. 5

看誰(shuí)算的又對(duì)又快

9 6 5 4 8 8 5 4 6 5 7 6

解決問(wèn)題

13-6=7

16-8=8