50以内加减法(学而思)
: 49-6= 8+22= 14+22= 46-18= 22-16= 41+3= 33+8= 6+5= 14-9= 11+20= 18+14= 46-25= 4+40= 18+2= 41-30= 46-17= 48-10= 16+31= 20-16= 46-32= 35-24= 12+12= 36-7= 11+32= 33-22= 10-6= 28-25= 6+37= 27-21= 41-10= 28-8= 46-39= 24-14= 31-2= 22+25= 28-1= 34-29=
19+13= 37+7= 47-37= 40-18= 3+44= 15+7= 38-18= 42-37= 38-37= 46-41= 44-36= 41-5= 44-28= 32-26= 28-22= 23-14= 10+34= 33-3= 33-22= 30-7= 30+16= 29-5= 29-1= 3+41= 47-14= 50-39= 50-25= 19+25= 29-10= 4+41= 2+13= 44-11= 2+14= 24+9= 20+28= 7+16= 32-3= 29+14= 24+7= 18-9= 45-37= 28-4= 36+13= 48-42= 19+19= 9+15= 4+18= 27-10= 9+39= 28+5= 42-2= 44-32= 28-6= 36-12= 18+27= 37-27= 19+9= 49-14= 21-8= 49-33= 28-11= 10+32= 39-12= 姓名: 日期: 用时: 准确率 计算1 29-23= 44-36= 36-31= 17+23= 29-27= 8+31= 1+35= 46-4= 18+25= 35-29= 37-36= 14+11= 47-3= 48-12= 48-27= 13+34= 16+5= 31-22= 20+27= 38-20= 48-4= 25+19= 39-37= 39-38= 34+6= 19-9= 26-4= 24+1= 3+39= 26+20= 37+9= 3+18= 12+3= 47-8= 38+10= 30-1= 23+5= 26+9= 18-10= 41-27= 35-14= 1+48= 41+1= 23-22= 43-25= 33+11= 31+9= 37+11= 47-44= 48-32= 5+31= 33+6= 12+5= 26+22= 22-8= 4+19= 45-3= 42-6= 26-2= 27-22= 1+42= 26+10= 17-15= 4+32= 16+15= 35+8= 7-2= 30-13= 36-5= 7+27= 49-14= 20-8= 35-10= 46-25= 13-5= 2+29= 38+12= 28+7= 15+4= 32+17= 17+25= 45-18= 5+35= 20+6= 40-28= 38-21= 31-10= 27+21= 44-12= 11+15= 5+17= 39-37= 18+7= 29-21= 33+2= 6+38= 20-4= 35-17= 1+40= 24-12= 计算2 姓名: 日期: 用时: 准确率: 姓名: 日期: 用时: 准确率 19+28= 31-11= 15+6= 9-7= 44-15= 14+12= 32-4= 46-33= 47-18= 43-15= 12+31= 7+15= 31-22= 25+12= 41+9= 11+20= 42-40= 8+5= 10+9= 22+12= 38-33= 44-35= 16+2=
26+15= 24-10= 16+7= 22-12= 8+25= 37-3= 27+3= 44-27= 5+29= 21-5= 50-25= 18+29= 8-2= 29+21= 11-4= 27+13= 6+8= 45-23= 33-9= 27-16= 15-12= 34-22= 31+18= 19+10= 13+1= 16-1= 32+9=
46-16= 1+8= 41-11= 1+35= 37-32= 9-7= 18+3= 15+16= 31-25= 24-22= 41+9= 3+38= 9+25= 6+19= 34-20= 13+8= 34+12= 43-32= 39-33= 5+9= 21-8= 42-41= 26-6= 35+14= 47-24=
36-28= 43-10= 17-16= 5+18= 16+12= 1+15= 20+20= 7+40= 10+34= 20+23= 24-19= 30-8= 47-42= 49-18= 25-4= 25+12= 16-1= 31-29= 11+38= 20-11= 26-17= 13+31= 12-4=
42-37= 48-1= 计算3 姓名: 日期: 用时: 准确率 26-3= 11-10= 23+5= 10+14= 28-12= 45-27= 23+22= 41-19= 47-39= 43-38= 36-33= 50-21= 43-14= 1+37= 50-39= 44-26= 32-28= 20+30= 23-8= 19-17= 18+3= 12-4=
13+6= 43-13= 47-18= 23-4= 42-35= 44-21= 41-6= 41-21= 15-4= 15+18= 6+28= 17+8= 18+23= 29+4= 34+14= 2+33= 27-2= 12+11= 6+32= 14+18= 15+11= 15+34= 49-7= 50-28= 35-7= 46-24= 23-12= 29+16= 40+8= 18-17= 12-4= 45-36= 30+7= 1+6= 12+22= 9+39= 48-3= 4+42= 37-36= 43-42= 44-23= 15+16= 26-9= 36-28= 45-6= 39+2= 15-2= 39-30= 31-13= 29-22= 15+4= 35-10= 34+8= 41+7= 2+22= 19+31= 23-4= 15-12= 33+16= 7+18= 20-18= 45-27= 30-2= 4+22= 38-25= 36-6= 23-6= 32-5= 8+8= 49-1= 25-15= 41-1= 2+3= 35-5= 19+14= 30+2= 22-3= 25-11= 计算4 姓名: 日期: 用时: 准确率 36-25= 6+44= 49-29= 48-18= 15-4= 12+33= 40-12= 28+9= 18+10= 42-23= 40-35= 13+36= 25+13= 26-5= 32+1= 12+25= 28-1= 2+25= 25-5= 4+18= 20-4= 22-21= 50-33= 45-43= 33-4=
2+39= 13+1= 3+29= 47-45= 3+39= 4+44= 20+30= 4+34= 17+19= 5+30= 35-10= 39-13= 36-30= 15+16= 6+14= 45-39= 28+1= 12+36= 3+39= 33-5= 32-30= 49-42= 26-2= 24-14= 12-7=
23+15= 17+16= 21+22= 18+1= 50-39= 26+19= 19+19= 45-40= 1+23= 21-19= 34+12= 45-28= 25+1= 36+11= 16+32= 38-32= 11-2= 13-3= 48-8= 23-19= 41+7= 1+4= 32-24= 11+14= 24-21= 45-41= 17+13= 9+25= 17+30= 37-36= 14+12= 13+24= 9+21= 3+33= 2+10= 42-19= 8+35= 21+17= 2+42= 30+19= 17+5= 17+15= 8+3= 43-28= 37+8= 33+17= 14+16= 38+8= 6+31= 32-23= 计算5 3+4= 28+22= 4+43= 6+9= 45-28= 30-23= 19+22= 4+11= 5+39= 50-7= 50-34= 24-1= 10+37= 49-24= 4+36= 33+8= 32+11= 18-6= 32-3= 34-20= 28-15= 8+2= 9+41= 49-9= 1+23=
14+11= 11+16= 21-2= 30-29= 10+34= 29+20= 22+13= 41-21= 2+13= 43-40= 45+4= 45-41= 49-32= 24+11= 34-23= 10-4= 1+23= 1+9= 5+44= 8-3= 26-16= 35-18= 41-12= 36-20=
8-2= 24-12= 2+26= 35+15= 36+14= 43-2= 13+7= 29-19= 1+12= 2+45= 26-5= 26-25= 30-4= 36-10= 2+19= 5+29= 36-19= 5+32= 2+30= 43-25= 15+9= 18+2= 45+2= 44-9= 31+9= 15+19=
28+4= 26+5= 41-2= 31-21= 50-30= 23-12= 46-39= 39+11= 17+13= 49-15= 18+9= 10+20= 16+5= 5+23= 31+2= 32+6= 39-27= 42+2= 27-10= 6+37= 40-16= 22+16= 29-20= 7+33= 19+2= 姓名: 日期: 用时: 准确率 计算6 26+9= 35-28= 7+23= 48-29= 22+18= 24-9= 19+17= 44-23= 22+18= 49-21= 15-1= 7+12= 7+9= 38+2= 4+23= 16+18= 29-17= 4+43= 42-29= 18+1= 24+26= 25+6= 43-20= 42-7= 47+3= 30-16= 5+25= 20-1= 27-7= 29+9= 44-25= 24+24= 29-19= 6+42= 49-27= 40+4= 19+17= 25+3= 16+5= 27+12= 41+4= 38-8= 45-8= 11+1= 9+37= 29-24= 9+19= 13-10= 29+12= 28+13= 37-14= 41-2= 7+37= 9+15= 25+7= 22+7= 32-28= 16-11= 23-19= 11-10= 24+26= 2+12= 26-3= 40-14= 17-5= 29-17= 32-18= 42-21= 16-11= 23-19= 11-10= 24+26= 2+12= 26-3= 40-14= 17-5= 29-17= 32-18= 42-21= 4+45= 7+10= 42-12= 35+3= 1+45= 21+6= 9+16= 26-22= 29-24= 47-37= 20+5= 11+8= 36+9= 35-34= 1+41= 4+41= 43-34= 48-46= 6+39= 21+18= 40-6= 计算7 姓名: 日期: 用时: 准确率:
50以内加减法混合运算题(100题)
50以内加减法混合运算题(100题)
42-22=
41-39=
24-22=
47-14=
29+21=
22+8=
38-16=
32-26=
30-24=
45+5=
5+33=
23+7=
15+15=
26-13=
6+22=
19-15=
31+14=
29-26=
32-21=
49-28=
7+27=
23-11=
25+18=
47+2=
18+30= 14+35=
3+22=
39+8=
39+3=
37+2=
6+18=
1+18=
32+5=
19+11=
34+9=
16-13=
40+7=
8+22=
45+5=
31-29=
49-22=
24+5=
49-26=
21-17=
7+43=
42-39=
16+13=
46-22=
26+14=
2+25= 21+8=
14+26=
6+34=
22+16=
46-27=
40+9=
27-21=
33-17=
33+14=
13-11=
39-26=
34+11=
2+42=
39-23=
11-10=
12+8=
3+22=
17+7=
48-35=
43-18=
33+10=
6+41=
31-27=
43+2=
36+5= 42+5=
41-22=
19-13=
41-30=
25+9=
26+19=
46+4=
16+13=
41+7=
15+24=
41+4=
3+45=
32-28=
34-12=
30-17=
3+21=
22+19=
39-28=
41-26=
35+2=
36+5=
21+23=
47+2=
4+40= 46+4=
50以内加减法100道
( ) + 36 = 37( ) + 18 = 23( ) + 20 = 48( ) + 10 = 47( ) - 37 = 9( ) - 29 = 8( ) - 15 = 26( ) - 17 = 14( ) + 42 = 42( ) + 22 = 44( ) + 39 = 44( ) + 16 = 1715 + ( ) = 2224 + ( ) = 2823 + ( ) = 4813 + ( ) = 1528 - ( ) = 1812 - ( ) = 1230 - ( ) = 2122 - ( ) = 15( ) + 9 = 41( ) + 12 = 13( ) + 10 = 11( ) + 33 = 3636 + ( ) = 4017 + ( ) = 3529 + ( ) = 4816 + ( ) = 19( ) - 20 = 9( ) - 25 = 6( ) - 11 = 14( ) - 28 = 12( ) + 21 = 21( ) + 16 = 18( ) + 8 = 46( ) + 8 = 4516 + ( ) = 1919 + ( ) = 2316 + ( ) = 1710 + ( ) = 15( ) - 27 = 22( ) - 30 = 13( ) - 41 = 8( ) - 34 = 723 - ( ) = 1637 - ( ) = 1334 - ( ) = 2648 - ( ) = 21( ) - 20 = 5( ) - 23 = 25( ) - 21 = 8( ) - 45 = 5( ) + 8 = 15( ) + 22 = 33( ) + 14 = 40( ) + 14 = 2039 + ( ) = 4313 + ( ) = 1439 + ( ) = 4615 + ( ) = 21( ) + 20 = 31( ) + 12 = 14( ) + 36 = 44( ) + 11 = 14( ) - 10 = 12( ) - 10 = 17( ) - 21 = 20( ) - 45 = 523 - ( ) = 1915 - ( ) = 1331 - ( ) = 1318 - ( ) = 17( ) - 44 = 5( ) - 29 = 20( ) - 14 = 36( ) - 22 = 20( ) + 13 = 13( ) + 11 = 37( ) + 43 = 44( ) + 10 = 1927 - ( ) = 2021 - ( ) = 1527 - ( ) = 1439 - ( ) = 22( ) - 13 = 8( ) - 13 = 29( ) - 19 = 27( ) - 44 = 6( ) + 23 = 36( ) + 13 = 16( ) + 41 = 45( ) + 13 = 1338 + ( ) = 4926 + ( ) = 3326 + ( ) = 3813 + ( ) = 1830 - ( ) = 2943 - ( ) = 3517 - ( ) = 1432 - ( ) = 2750以内加减法(100题)一班别:________ 姓名:________ 学号:________ 成绩:________( ) + 11 = 25( ) + 37 = 40( ) + 19 = 20( ) + 30 = 37( ) - 12 = 10( ) - 33 = 15( ) - 40 = 7( ) - 32 = 5( ) + 23 = 44( ) + 34 = 41( ) + 22 = 25( ) + 9 = 1512 + ( ) = 5013 + ( ) = 3010 + ( ) = 1016 + ( ) = 4447 - ( ) = 2346 - ( ) = 1020 - ( ) = 1641 - ( ) = 32( ) + 37 = 41( ) + 26 = 36( ) + 10 = 29( ) + 34 = 4624 + ( ) = 2716 + ( ) = 1610 + ( ) = 1013 + ( ) = 28( ) - 31 = 10( ) - 45 = 5( ) - 24 = 22( ) - 24 = 11( ) + 48 = 50( ) + 29 = 29( ) + 29 = 40( ) + 11 = 3812 + ( ) = 2320 + ( ) = 3036 + ( ) = 4840 + ( ) = 49( ) - 32 = 13( ) - 13 = 32( ) - 31 = 17( ) - 42 = 534 - ( ) = 2324 - ( ) = 1440 - ( ) = 3939 - ( ) = 15( ) - 21 = 23( ) - 45 = 5( ) - 20 = 20( ) - 19 = 9( ) + 8 = 27( ) + 21 = 26( ) + 17 = 21( ) + 8 = 4121 + ( ) = 4043 + ( ) = 4819 + ( ) = 2314 + ( ) = 15( ) + 21 = 39( ) + 19 = 25( ) + 15 = 49( ) + 18 = 21( ) - 26 = 14( ) - 32 = 16( ) - 26 = 5( ) - 36 = 1317 - ( ) = 1119 - ( ) = 1211 - ( ) = 1035 - ( ) = 26( ) - 45 = 5( ) - 20 = 8( ) - 31 = 7( ) - 45 = 5( ) + 26 = 48( ) + 37 = 41( ) + 21 = 21( ) + 38 = 4046 - ( ) = 1114 - ( ) = 1332 - ( ) = 3118 - ( ) = 14( ) - 35 = 5( ) - 38 = 10( ) - 39 = 6( ) - 37 = 9( ) + 20 = 37( ) + 16 = 24( ) + 18 = 31( ) + 18 = 3828 + ( ) = 3625 + ( ) = 2733 + ( ) = 3335 + ( ) = 4033 - ( ) = 3211 - ( ) = 1015 - ( ) = 1418 - ( ) = 1250以内加减法(100题)二班别:________ 姓名:________ 学号:________ 成绩:________( ) + 8 = 8( ) + 9 = 16( ) + 12 = 14( ) + 11 = 13( ) - 41 = 6( ) - 11 = 24( ) - 35 = 10( ) - 26 = 8( ) + 15 = 43( ) + 39 = 39( ) + 47 = 49( ) + 11 = 4011 + ( ) = 3826 + ( ) = 2712 + ( ) = 3132 + ( ) = 4045 - ( ) = 1732 - ( ) = 1336 - ( ) = 2723 - ( ) = 17( ) + 30 = 32( ) + 9 = 9( ) + 23 = 50( ) + 12 = 3710 + ( ) = 1040 + ( ) = 4412 + ( ) = 3824 + ( ) = 42( ) - 26 = 14( ) - 14 = 15( ) - 28 = 6( ) - 44 = 6( ) + 29 = 29( ) + 13 = 18( ) + 25 = 41( ) + 45 = 4726 + ( ) = 4917 + ( ) = 5010 + ( ) = 1321 + ( ) = 30( ) - 32 = 18( ) - 15 = 31( ) - 33 = 10( ) - 18 = 722 - ( ) = 1724 - ( ) = 2248 - ( ) = 3822 - ( ) = 11( ) - 25 = 24( ) - 44 = 5( ) - 18 = 10( ) - 10 = 26( ) + 31 = 41( ) + 23 = 49( ) + 14 = 23( ) + 10 = 1026 + ( ) = 4715 + ( ) = 1536 + ( ) = 4432 + ( ) = 38( ) + 9 = 29( ) + 17 = 36( ) + 37 = 44( ) + 25 = 50( ) - 33 = 16( ) - 26 = 12( ) - 18 = 28( ) - 31 = 1148 - ( ) = 3634 - ( ) = 1637 - ( ) = 2126 - ( ) = 18( ) - 31 = 18( ) - 34 = 5( ) - 14 = 23( ) - 21 = 11( ) + 19 = 24( ) + 36 = 40( ) + 13 = 14( ) + 18 = 2523 - ( ) = 1921 - ( ) = 2113 - ( ) = 1148 - ( ) = 46( ) - 29 = 14( ) - 16 = 11( ) - 26 = 12( ) - 10 = 9( ) + 18 = 23( ) + 20 = 47( ) + 15 = 35( ) + 17 = 1933 + ( ) = 4218 + ( ) = 3815 + ( ) = 2414 + ( ) = 1724 - ( ) = 2228 - ( ) = 1218 - ( ) = 1039 - ( ) = 2350以内加减法(100题)三班别:________ 姓名:________ 学号:________ 成绩:________( ) + 8 = 15( ) + 8 = 8( ) + 18 = 28( ) + 33 = 50( ) - 23 = 22( ) - 42 = 7( ) - 33 = 7( ) - 35 = 11( ) + 39 = 49( ) + 25 = 48( ) + 25 = 28( ) + 9 = 1217 + ( ) = 1812 + ( ) = 1313 + ( ) = 2821 + ( ) = 3125 - ( ) = 1748 - ( ) = 1527 - ( ) = 1638 - ( ) = 37( ) + 31 = 32( ) + 39 = 48( ) + 12 = 46( ) + 10 = 1636 + ( ) = 4226 + ( ) = 2626 + ( ) = 3823 + ( ) = 49( ) - 24 = 24( ) - 18 = 31( ) - 11 = 26( ) - 17 = 12( ) + 30 = 42( ) + 33 = 35( ) + 12 = 24( ) + 11 = 1319 + ( ) = 3312 + ( ) = 1520 + ( ) = 4921 + ( ) = 48( ) - 16 = 26( ) - 32 = 6( ) - 25 = 13( ) - 42 = 640 - ( ) = 1035 - ( ) = 2427 - ( ) = 1219 - ( ) = 10( ) - 18 = 10( ) - 20 = 20( ) - 44 = 6( ) - 38 = 6( ) + 11 = 15( ) + 11 = 41( ) + 9 = 29( ) + 28 = 4711 + ( ) = 3410 + ( ) = 1412 + ( ) = 2231 + ( ) = 38( ) + 27 = 43( ) + 8 = 16( ) + 17 = 23( ) + 18 = 40( ) - 25 = 20( ) - 12 = 18( ) - 41 = 9( ) - 25 = 935 - ( ) = 3330 - ( ) = 1414 - ( ) = 1118 - ( ) = 13( ) - 19 = 23( ) - 30 = 10( ) - 36 = 6( ) - 15 = 18( ) + 9 = 10( ) + 31 = 43( ) + 28 = 42( ) + 22 = 3744 - ( ) = 1831 - ( ) = 1732 - ( ) = 2917 - ( ) = 10( ) - 29 = 9( ) - 17 = 5( ) - 27 = 23( ) - 28 = 15( ) + 10 = 32( ) + 15 = 30( ) + 24 = 48( ) + 11 = 1324 + ( ) = 2612 + ( ) = 2629 + ( ) = 3912 + ( ) = 1917 - ( ) = 1447 - ( ) = 1731 - ( ) = 1615 - ( ) = 1550以内加减法(100题)四班别:________ 姓名:________ 学号:________ 成绩:________
50以内加减法
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50以内加减法口算练习题(一)
25+19= 28+20= 39-18= 40-17= 25+24=
48-19= 19+22= 37+11= 29-14= 44-20=
22+11= 38+12= 20+19= 41+7= 38+6=
49-9= 48-11= 32+10= 3+40= 6+24=
20+19= 11+19= 11+34= 10+29= 10+36=
1+16= 1+36= 1+44= 49-8= 48-17=
40+3= 40+9= 43-21= 44-17= 40+2=
36+8= 34+11= 36-18= 36+6= 37+9=
38-14= 34+9= 34-7= 34+11= 34+4=
35+15= 35-6= 30+20= 30-7= 30+13=
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. 本帖最后由 灵_儿 于 2014-10-30 16:04 编辑
50以内加减法口算练习题(一)
25+19= 28+20= 39-18= 40-17= 25+24=
48-19= 19+22= 37+11= 29-14= 44-20=
(完整版)一年级50以内加减法口算题
一年级50以内加减法口算题(练习) 得分___
22+18=
28-6=
36-12=
23+12=
25+11=
37-17=
45+3=
30-12=
32+15=
31-12=
35+13=
29-11=
20+19=
36-17=
21+15=
46-15=
25+13=
39-14=
30-18=
31-14= 26+8=
29+15=
26+16=
30+16=
47-16=
33+14=
30-16=
21+24=
40-23=
42+7=
39-26=
35-12=
29+12=
34-17=
35+12=
13+27=
39-14=
33+15=
37+13=
39+8= 38+4=
50以内加减法练习题打印版(100题)
50以内加减法练习题打印版(100题)姓名: 日期: 答对: 题28+11=41+41=46+32=4+41=28+13=8+50=34+29=34+32=2+43=43+20=17+46=38+28=23+46=9+17=13+9=23+5=46+9=16+15=37+15=29+6=32+48=46+40=45+48=1+5=9+0=37+29=16+4=3+17=19+14=17+50=44+50=10+25=18+6=5+28=35+2=15+43=24+32=45+6=18+9=33+47=31+12=42+10=36+28=29+16=17+30=30+4=
17-8=2-1=20-7=39-26=43-25=38-26=26-25=31-1=20-1=9-0=5-2=8-2=40-1=37-33=24-1=17-14=26-1=45-26=17-8=38-31=32-10=5-3=50-13=31-10=21-20=9-5=27-1=15-6=35-18=10-4=48-38=17-8=22-10=45-39=20-10=34-5=35-10=25-14=33-18=2-1=23-18=17-13=22-0=8-3=21-0=11-5=39-24=44-17=44-36=40-17=
50以内的加减法500题(可直接打印)
50以内的加减法500题(可直接打印)
50以内的加减法500题(可直接打印)
题目一:加法练习
1. 12 + 7 = ______
2. 25 + 6 = ______
3. 38 + 5 = ______
4. 14 + 9 = ______
5. 29 + 8 = ______
6. 17 + 6 = ______
7. 33 + 2 = ______
8. 19 + 3 = ______
9. 21 + 4 = ______
10. 35 + 1 = ______
11. 27 + 2 = ______
12. 44 + 3 = ______
13. 11 + 8 = ______
14. 39 + 6 = ______
15. 22 + 9 = ______
16. 36 + 4 = ______ 17. 48 + 1 = ______
18. 23 + 5 = ______
19. 31 + 7 = ______
20. 46 + 3 = ______
(以下省略,共有500道加法题)
题目二:减法练习
1. 26 - 9 = ______
2. 39 - 7 = ______
3. 42 - 8 = ______
4. 33 - 5 = ______
5. 18 - 6 = ______
6. 31 - 7 = ______
7. 47 - 4 = ______
8. 40 - 3 = ______
9. 50 - 6 = ______
10. 22 - 2 = ______
11. 49 - 3 = ______
12. 36 - 7 = ______
13. 30 - 9 = ______ 14. 44 - 6 = ______
15. 28 - 4 = ______
16. 37 - 8 = ______
17. 43 - 2 = ______
18. 21 - 5 = ______
50以内加减法-每页100题(完整版)
50以内加减法(每页100题)一
姓名: 日期: 用时: 得分:
18+20= 38+9= 19+8= 1+12= 36+9=
3+27= 44-17= 40-26= 2+18= 2+17=
13+34= 48-35= 34+12= 1+11= 3+39=
46-42= 47-16= 31-9= 12+13= 4+0=
26+17= 1-1= 23+22= 49-6= 19+7=
28+13= 36+2= 37-1= 19+10= 40-34=
40-33= 45-23= 49-9= 6+16= 14+11=
29+9= 29+14= 23-6= 8-0= 43+3=
18+5= 4+4= 38+11= 50-42= 33-30=
37+3= 49-27= 34-23= 0+15= 50-17=
44-42= 34-28= 15+1= 7+8= 21-9=
22+20= 15-2= 9+3= 18+27= 42-3=
14+27= 2+40= 7+15= 13+5= 49+0=
35-11= 45-0= 2+8= 1+1= 37+12=
26-20= 46-43= 35-32= 4+24= 22+17=
43+0= 22+3= 8+4= 4+21= 42-39=
21+24= 32-16= 47-26= 42-5= 12-2=
39-11= 29+21= 41-6= 47-15= 33+0=
18+7= 28-19= 27+21= 37-37= 42-17=
11+37= 40-3= 15+2= 4+15= 26-2= 50以内加减法(每页100题)二
姓名: 日期: 用时: 得分:
33+10= 5+23= 11-4= 46+2= 42-33=
(完整版)50以内加减法大全_天天练_直接打印
50以内加减法(每页100题)一
姓名: 日期: 用时: 得分:
39-34= 23-4= 6+5= 0+29= 50-35=
23-22= 21+26= 27+8= 24-6= 50-3=
11+36= 15-13= 8-2= 45-44= 30+2=
39-11= 29+21= 41-6= 47-15= 33+0=
8+42= 50-7= 15-6= 20+17= 16+25=
35-35= 10+14= 20+9= 35-24= 48-0=
48-9= 15-14= 33-0= 43-17= 10-0=
35-12= 41-28= 39+9= 16+17= 42-2=
40-14= 16-15= 1+45= 48-38= 21+15=
28+19= 36-13= 44-21= 11+11= 21+2=
35+4= 37+2= 17-9= 7+25= 0+30=
30-18= 48-36= 25+24= 40-25= 5+29=
23-1= 0+3= 10+16= 46-19= 31+4=
43-10= 36-35= 13-6= 25+12= 26+12=
14+17= 40+3= 29-5= 35-13= 48-39=
32+17= 33-23= 9+38= 27+14= 49-23=
6+7= 44+1= 4+38= 14+36= 3+39=
8+10= 5+41= 5+26= 28+11= 32-32=
45-24= 45+1= 41-6= 9+29= 31-23=
30+20= 48-9= 36-17= 49-14= 34-2= 50以内加减法(每页100题)二
姓名: 日期: 用时: 得分:
18+19= 39-12= 0+38= 13+28= 8+14=
50以内的进位加法和借位减法
50以内的进位加法和借位减法
本文档介绍了50以内的进位加法和借位减法的基本概念和操作方法。
进位加法
进位加法是一种计算两个数的和的方法,其中如果两个数字在某一位上相加超过了该位数的最大值,就需要向前一位进位。以下是进位加法的操作方法示例:
1. 将两个数的个位数对齐,从右到左逐个相加,并将结果写在对应的位置上。
2. 如果相加的结果超过了该位数的最大值(9),则向前一位进位,进位的值为1。
3. 将进位的值与下一位数字相加,并将结果写在对应的位置上。
4. 重复上述步骤,直到所有位数都相加完毕。
以下是一个进位加法的例子:
24
+ 37
------
61
借位减法
借位减法是一种计算两个数的差的方法,其中如果被减数的某一位小于减数的对应位数时,需要借位。以下是借位减法的操作方法示例:
1. 将两个数的个位数对齐,从右到左逐个相减,并将结果写在对应的位置上。
2. 如果被减数的某一位小于减数的对应位数,需要从前一位借位。
3. 借位之后,被减数的该位数加上借位的值,并将结果写在对应的位置上。
4. 重复上述步骤,直到所有位数都相减完毕。
以下是一个借位减法的例子:
52
- 28
------
24
希望本文档能帮助您理解并掌握50以内的进位加法和借位减法的操作方法。
(完整版)50以内加减法方法
完整版)50以内加减法方法
下面是一些解决50以内加减法问题的简单方法,旨在帮助您提高计算速度和准确性。
1.加法方法
1.1.对10的倍数进行分解
当计算一个数与10的倍数的和时,可以将这个数分解成两个部分,其中一个部分为10的倍数。例如:
17 + 20 = 17 + (10 + 10)
17 + 10) + 10
27 + 10
37
1.2.使用补数法
当计算一个数与9的和时,可以使用补数法。即,将这个数与离9相差的数相加得到9,然后再加上9.例如:
23 + 9 = (23 + 1) + 8
24 + 8
32
2.减法方法
2.1.借位法
当计算一个数减去另一个数时,如果被减数的个位比减数的个位小,则需要从十位借位。例如:
35 - 17 = 35 - (10 + 7)
35 - 10) - 7
25 - 7
18
2.2.补数法
当计算一个数与5的差时,可以使用补数法。即,将这个数与离5相差的数相减得到5,然后再减去5.例如:
14 - 5 = (14 - 1) - 4
13 - 4
9
结论
这些方法只是帮助您更快速地解决50以内加减法问题的一些简单技巧。通过熟练掌握和经常练习,您可以提高计算速度和准确性,从而更轻松地解决数学问题。
请注意,这些解决方法适用于简单的加减法运算,并且只适用于50以内的数。对于更复杂的运算,或超过50的数,请使用更适合的解决方法。
希望这些方法对您有所帮助!祝您取得数学上的进步!
