1、一年级数学口算能力快速提升训练一年级数学口算能力快速提升训练 1 直接写得数 13-8= 15+3= 11-6= 8-3= 10+10= 14+5= 13-9= 20-17= 2+17= 6+13= 10-2= 6+10= 13+7= 6+5= 14-11= 11-4= 16-2= 17-11= 7+12= 8+3= 1 - 1 + 16= 1 + 7 - 5= 6 + 10 - 7= 7 + 10 - 5= 9 + 9 - 6= 18 + 1 - 7= 7 + 8 - 5= 11 - 9 + 1= 9 + 7 - 2= 10 - 10 + 5= 1 + 9 +3= 13 - 4 + 10=
2、5 + 4 - 8= 19 - 19 + 18= 8 + 7 - 15= 8 - 2 + 1= 9 + 5 - 12= 9 + 1 - 2= 10 8 + 3= 15 6 - 5= 2 比大小 12-2 2 9 9 13-4 8 16-5 10 19-16 5 9+5 12 2+15 19 2+10 11 8+8 18 10+8 20 15-2 14 10+9 20 4+5 19 15-9 7 3+11 15 20-14 5 2+18 16 12+7 18 13+5 16 9+6 14 19-6 14 3 填空 ( )+3=17 15+( )=20 ( )+4=15 2+( )=12 ( )+
3、8=14 ( )+14=16 7+( )=16 ( )+8=11 ( )+5=11 ( )+8=19 ( )+9=18 ( )+4=17 17 -( )=10 11 -( )=6 5 +( )=19 ( )+5=18 ( )+7=15 ( )+3=14 ( )+7=18 6+( )=18 19 -( )=9 11-( )=7 15 -( )=8 ( )- 5=12 18 -( )=6 15-( )=4 13 -( )=7 ( )- 9=1 7+( )=19 11+( )=20 5 +( )=14 2+( )=18 15 -( )=9 14-( )=7 16 -( )=8 ( )- 6=12 9+( )=19 13+( )=19 5 +( )=18 9+( )=17