1、一年级数学下册100 以内口算题练习（八）一、口算（每题 0.5 分，共 24 分） 7 + 6 = 5 + 9 = 8 + 7 = 5 + 8 = 7 + 9 = 9 + 8 = 5 + 7 = 8 + 4 = 9 + 3 = 9 + 9 = 3 + 8 = 6 + 5 = 7 + 4 = 8 + 8 = 6 + 8 = 2 + 9 = 7 + 7 = 3 + 7 =6 + 6 = 6 + 9 = 8 + 6 = 3 + 8 = 5 + 5 =7 + 8 = 12 - 4 =15 - 6 = 14 - 7 = 11 - 8 = 14 - 9 = 15 - 7 =15 - 9 = 16 - 7
2、 = 13 - 6 = 16 - 9 = 11 - 5 =12 - 8 = 11 - 7 = 18 - 9 = 17 - 8 = 14 - 8 =13 - 7 = 15 - 8 = 14 - 5 = 11 - 9 = 17 - 9 =17 - 9 = 11 - 5 = 13 - 8 =二、口算（每题1 分，共 24 分）28 + 20 = 58 - 6 = 66 - 60 = 75 - 30 = 38 + 40 =71 + 23 = 89 - 8 = 50 + 24 = 4 + 55 = 96 - 20 =66 - 60 = 38 + 21 = 30 + 34 = 69 - 7 = 59 -
3、4 =73 - 70 = 95 - 50 = 25 + 44 = 62 + 7 = 30 + 49 =86 - 60 = 91 - 50 = 36 + 30 = 51 + 25 =三、在里填上合适的数。 （每题 2 分，共 24 分）3 +=73 5 +=70 4 +=1743 +=93 38 -=8 68 -=48第 1页- 6 = 50 + 20 = 66 48 =+2063=+13 72=+ 70 59=+ 9四、计算。（每题 2 分，共 28 分）18+9 - 9 = 12 - 8 + 70 = 70 - 30 + 6 = 46 + 40 + 2 =99 - 9 - 40 = 5 +
4、70 - 5 = 9 + 7 + 20 = 14 - 5 + 30 =30 + 6 + 4 = 55 - 5 + 15 = 36 +30 +20= 5 + 5 5 +20=13 - 5 + 50= 82 - 80 +8= 98- 20-8= 25+60+5=58+4 71-6 5 +78 35+5 41+9 98-90= 93-9 =5 +37 5 +82 60-941-8 46+3 46+7 53-20 84+6 85-4 29-3 49+984-5 8 +59 37-5 = 50+4669+8 64-40 7 +28 46-945-6 59+7 59+5 81+916+8 76-50 87
5、-5 36+837+9 31-8 67-6 = 27+346+8 5 +47 4 +27 90+825+7= 26+8 = 45-8 = 54-8 +823-6 = 50-5 = 83-9 = 24-8 +10=36-7 = 43+10= 37-9 = 58-4 +12=87-9 2 +39= 72-5 74-9 +30=36+9= 50+27= 34-7 = 45+8 -50=第 2页40-3 = 6 +44= 24-6 = 35+8 +12=70-5 = 54-8 = 23-9 = 26-7 +9 =6 +73= 32+9 = 35-4 = 63-8 +8 =71+8 = 7 +78= 2
6、4-8 = 29+5 -23=25+9 = 50-2 = 66-5 = 72-20+27=64-9 = 5 +31= 25-9 = 8 -3 +35=30+38= 74+7 = 72-30= 70-10-50=45+20= 65+8 = 43-4 = 47+8 -30=36+9 = 44-8 = 56-8 = 35+9 -20=35+8 = 100-50-20=25+52= 54+15= 24+63= 74+21= 46+35= 32+63= 65+24= 14+36=84+15=45+32= 46+25= 41+32= 21+65= 22+59=23+74= 28+35= 45+31= 44
7、+37= 63+25= 27+34= 28+71= 14+53= 17+36= 18+45= 19+52= 13+38= 15+36= 49+27= 29+47= 25+49= 69+43= 86+13= 87+11= 76+21= 55+33= 13+64= 19+72= 55+27= 49+47= 32+39= 55+43= 21+56= 45+62= 12+39= 54+39= 42+39= 73+19= 62+29= 59+34= 15+64= 14+82= 67+18= 43+25= 54+27= 33+48= 24+19= 15+81= 14+27= 56+27= 17+46= 18+57= 27+49= 29+16= 12+54= 64+25= 13+62= 58+17= 56+39= 14+59= 46+28= 19+64= 29+62= 65+42= 77+15= 41+35= 58+37= 26+34=第 3页19+67= 63+29= 52+17= 17+46= 43+52= 28+13= 17+64=15+67= 37+59= 46+51= 16+38= 28+49= 49+27= 16+39=第 4页
