一、按数的顺序填空9 11 14 19二、连线6-3 7-2 3+4 5-35 3 2 7三、口算2+2= 3+3= 5-1= 7-6= 5+1=5+2= 6-1= 7-4= 3+1= 7-3=四、看图写算式+ = - =+ = - = + = - =+ = - = + = - =+ = - = + = - =+ = - = + = - =+ = - = + = - =+ = - = + = - =五、口算8-1= 8-2= 8-3= 8-4= 8-5= 8-6= 8-7= 1+7= 2+6= 3+5= 4+4= 5+3= 6+2= 7+1=六连一连7+11+45-21+36-42+5723458