第三单元 大数加与减（二）-【勤径千里马】2025-2026学年新教材三年级上册数学同步竖式脱式计算（北师大版2024）

①67+(84-61) ①74+(23-12) =67+23 =74+11 =90 =85 2.复习带小括号的混合运算(2) ①(6+15)÷7 ②(55-13)÷6 =21÷7 =42÷6 =3 =7 ③(31+14)÷9 ④(99-71)÷4 =45÷9 =28÷4 =5 =7 ⑤(4+5)×7 6(24-17)÷7 =9×7 =7÷7 =63 =1 ⑦(1+6)×5 8(40-4)÷9 =7×5 =36÷9 =35 =4 ⑨(11+1)÷6 10(33-21)÷6 =12÷6 =12÷6 =2 =2 ①(8-7)×9 12(65-53)÷2 =1×9 =12÷2 =9 =6 3.复习带小括号的混合运算(3) ①(10+2)÷4 ②(85-43)÷6 =12÷4 =42÷6 =3 =7 ③(90-65)÷5 ④(4+14)÷3 =25÷5 =18÷3 =5 =6 ⑤(3+2)×4 ⑥(25-20)÷5 =5×4 =5÷5 =20 =1 三年级·北师版·上册 ⑦(2+5)×3 ⑧(86-59)÷3 =7×3 =27÷3 =21 =9 ⑨(50-10)÷5 0(11+3)÷2 =40÷5 =14÷2 =8 =7 ①(44+37)÷9 12(3-1)×5 =81÷9 =2×5 =9 =10 三、大数加与减（二） 1.三位数连加三位数(1) ①201+181+614 ②539+288+155 =382+614 =827+155 =996 =982 ③319+387+229 ④203+667+126 =706+229 =870+126 =935 =996 ⑤326+310+231 ⑥165+325+378 =636+231 =490+378 =867 =868 ⑦136+614+119 ⑧455+227+311 =750+119 =682+311 =869 =993 ⑨341+206+383 =547+383 =930 2.三位数连加三位数(2) ①393+109+367 ②235+369+164 =502+367 =604+164 =869 =768 3238+458+283 4233+357+253 =696+283 =590+253 =979 =843 同步竖式、脱式计算 ⑤153+174+345 6444+245+186 =327+345 =689+186 =672 =875 ⑦266+168+435 8162+168+433 =434+435 =330+433 =869 =763 ⑨144+526+147 10372+229+158 =670+147 =601+158 =817 =759 ①171+347+170 12148+419+416 =518+170 =567+416 -688 =983 3.三位数连加三位数(3) ①115+102+107 ②484+232+171 =217+107 =716+171 =324 =887 3289+103+201 ④583+140+217 =392+201 =723+217 =593 =940 ⑤345+133+122 ⑥186+414+195 =478+122 =600+195 =600 =795 ⑦336+128+195 8280+195+345 =464+195 =475+345 =659 =820 ⑨237+224+305 0221+104+238 =461+305 =325+238 =766 =563 ①26+159+141 12320+150+280 =364+141 =470+280 =506 =70 4.三位数连加三位数(4)》 ①324+159+176 ②138+305+198 =483+176 =443+198 =659 =641 ③200+244+367 ④456+188+117 =444+367 =644+117 =811 =-761 ⑤157+240+246 ⑥324+192+450 =397+246 =516+450 =643 =966 ⑦219+104+196 ⑧197+620+102 =323+196 =817+102 =519 =919 ⑨185+214+175 00328+472+134 =399+175 =800+134 =574 =934 0①120+430+108 ②232+116+174 =50+108 =348+174 =658 =522 5.三位数连减三位数(1) ①884-343-435 ②927-114-635 =541-435 =813-635 =106 =178 ③920-205-519 4969-594-221 =715-519 =375-221 =196 =154 ⑤965-110-158 6770-192-264 =855-158 =578-264 =697 =314 7799-244-436 8726-215-120 =555-436 =511-120 =119 =391 8… ⑨988-120-120 =868-120 =748 6.三位数连减三位数(2) ①966-200-133 ②811-107-327 =766-133 =704-327 =633 =377 ③864-132-616 ④762-236-422 =732-616 =526-422 =116 =104 ⑤411-113-185 6810-241-434 =298-185 =569-434 =113 =135 ⑦781-303-268 8759-112-126 =478-268 =647-126 =210 =521 9894-228-197 00624-231-105 =666-197 =393-105 =469 =288 0①716-252-136 12723-171-418 =464-136 =552-418 =328 =134 7.三位数连减三位数(3) ①800-235-365 2723-258-242 =565-365 =465-242 =200 =223 3505-197-247 ④380-176-159 =308-247 =204-159 =61 =45 5735-518-112 6804-259-378 =217-112 =545-378 =105 =167 三年级·北师版·上册 ⑦556-378-152 8900-244-367 =178-152 =656-367 =26 =289 ⑨816-116-172 10692-360-150 =700-172 =332-150 =528 =182 ①426-113-187 12744-183-201 =313-187 =561-201 =126 =300 8.三位数连减三位数(4) ①858-333-144 ②532-162-276 =525-144 =370-276 =381 =-94 ③900-585-245 ④880-137-173 =315-245 =743-173 =70 =570 ⑤820-280-160 6569-358-169 =540-160 =211-169 =380 =42 ⑦900-299-367 8748-274-166 =601-367 =474-166 =-234 =308 ⑨800-186-114 10816-256-280 =614-114 =560-280 =500 =280 10473-127-245 02575-275-125 =346-245 =300-125 =101 =175 9.三位数加减混合运算(1) ①807-569+467 2361-(137+129 =238+467 =361-266 =705 =95 9. 同步竖式、脱式计算 ③537+297-678 ④575-(276+178) =834-678 =576-454 =156 =122 ⑤374+328-265 6700-296+108 =702-265 =404+108 =437 =512 7630-350+381 8909-(291+139)】 =280+381 =909-430 =661 =479 ⑨863-(186+263) =863-449 =414 10.三位数加减混合运算(2) ①413+560-402 ②733-603+145 =973-402 =130+145 =571 =275 ③958-(416+452) ④99%-(245+213) =958-868 =996-458 =90 =538 ⑤239+754-111 6722+250-335 =993-111 =972-335 =882 =637 ⑦391-(125+151) ⑧326+164-383 =391-276 =490-383 =115 =107 ⑨717-(304+329) 00891-(47+368) =717-633 =891-845 =84 =46 ①674-(454+123) 12486-230+203 =674-57 =256+203 =97 =459 11.三位数加减混合运算(3) ①451+511-106 ②889-(602+121) =962-106 =889-723 =856 =166 3306+412-228 ④628-(436+132) =718-228 =628-568 =490 =60 ⑤127+768-438 6966-(341+256) =895-438 =966-597 =457 =369 ⑦459-179+186 8771+160-468 =280+186 =931-468 =466 =463 ⑨390+244-292 00922-(241+187) =634-292 =922-428 =342 =494 ①247+6B-361 12735-(256+147) =850-361 =735-4B =489 =332 12.三位数加减混合运算(4) ①283+307-239 ②501-(163+254) =590-239 =501-417 =351 =84 ③765-(218+319) ④704-(304+123) =765-537 =704-427 =228 =277 ⑤652-220+107 ⑥264+616-173 =432+107 =880-173 =539 =707 ⑦412+495-426 877-(160+239》 =907-426 =77-399 =481 =378 0 ⑨833-(248+262) 00539-384+153 =833-510 =155+153 =323 =308 1①478+509-636 02947-(274+419) =987-636 =947-63 =351 -=254 阶段练习(2) ①305+138+102②567-185-228 =443+102 =382-228 =545 =154 ③352+220-338④843-(195+183) =572-338 =843-378 =234 =465 ⑤448+257+1266936-(568+164) =705+126 =963-732 =831 =231 ⑦608-419-165⑧782-(288+334) =189-165 =782-62 =24 =160 ⑨230+138+12600304+223+182 =368+126 =527+182 =494 =709 ①757-(153+475)2②440+124-27 =757-628 =564-277 =129 =287 B276+613-1014211+132+167 =889-101 =343+167 =788 =510 15917-601-184 =316-184 =132 三年级·北师版·上册1 二、①×420+117-109 =537-109 =428 ②×218-(67+96)】 =218-163 =55 ③×403-175-212 =228-212 =16 ④×974-(467+125) =974-592 =-382 ⑤×149+287+318 =436+318 =754 ⑥×165-146+465 =19+465 =484 ⑦×841-(428+134) =841-562 =279 ⑧×645-309-304 =336-304 =32 四、我们生活的空间（一） 1.复习三位数连加三位数 ①103+279+198 ②206+402+211 =382+198 =608+211 =580 =819 ③107+171+369 ④163+153+591 =278+369 =316+591 =647 =907 ⑤199+310+116 6154+212+488 =509+116 =366+488 =625 =854 1.三、大数加与减（二 1三位数连加三位数(1) ②易错点分析 忘加进位数。 计算：704+127+104 ⑧错误解答 ⑦错误改正 704+127+104 704+127+104 忘加进位数。 =821+104 致误 =831+104 =925 =935 ⊙计算常练 用时：， 分 秒。错误：一个_家长评价：☆女☆☆☆一一 ①201+181+614 2539+288+155 3319+387+229 4203+667+126 5326+310+231 6165+325+378 = 7136+614+119 8455+227+311 9341+206+383 见此图标©跟抖音/微信扫码掌握技巧，笔算快人一步！ 23 2三位数连加三位数(2) ①计算常练 用时：分。秒。错误：一个_家长评价：☆☆☆☆女一一 ①393+109+367 ②235+369+164 3238+458+283 4233+357+253 5153+174+345 6444+245+186 7266+168+435 8162+168+433 9144+526+147 10372+229+158 11171+347+170 12148+419+416 同步竖式、脱式计算·三年级·北师版·上册 3三位数连加三位数(3) ①计算常练 用时：。分秒一错误：个_家长评价：☆☆☆☆☆一一 ①115+102+107 2484+232+171 ③289+103+201 4583+140+217 5345+133+122 6186+414+195 = 7336+128+195 8280+195+345 9)237+224+305 10221+104+238 1①205+159+141 12320+150+280 见此图标©跟抖音/微信扫码掌握技巧，笔算快人一步！ 4三位数连加三位数(4) ①计算常练 用时：分。秒。错误：一个_家长评价：☆☆☆☆女一一 ①324+159+176 2138+305+198 3200+244+367 4456+188+117 5157+240+246 6324+192+450 7219+104+196 8197+620+102 9185+214+175 10328+472+134 1d120+430+108 12232+116+174 6 同步竖式、脱式计算·三年级·北师版·上册 5三位数连减三位数(1) ②易错点分析 忘记退位。 计算：604-272-154 ⑧错误解答 ©错误改正 604-272-154 604-272-154 =432-154 忘记退位 致误 =332-154 =278 =178 ⊙计算常练 用时：， 分 错误：一个_家长评价：☆女☆☆☆一一 秒 ①884-343-435 2927-114-635 3920-205-519 4969-594-221 5965-110-158 6770-192-264 7)799-244-436 8726-215-120 9988-120-120 见此图标©跟抖音/微信扫码掌握技巧，笔算快人一步！ 27 6三位数连减三位数(2) ①计算常练 用时：分。秒。错误：一个_家长评价：☆☆☆☆女一一 ①966-200-133 2811-107-327 3864-132-616 ④762-236-422 5411-113-185 6810-241-434 7781-303-268 8759-112-126 9894-228-197 10624-231-105 11716-252-136 12723-171-418 同步竖式、脱式计算·三年级·北师版·上册 7三位数连减三位数(3) ①计算常练 用时：。分秒一错误：个_家长评价：☆☆☆☆女一一 ①800-235-365 2723-258-242 3505-197-247 三 4380-176-159 5735-518-112 6804-259-378 7556-378-152 8900-244-367 9816-116-172 10692-360-150 11426-113-187 12744-183-201 见此图标©跟抖音/微信扫码掌握技巧，笔算快人一步！ 29 8三位数连减三位数(4) ①计算常练 用时： 分秒错误：个_家长评价：☆☆☆☆☆一4 ①858-333-144 2532-162-276 3900-585-245 三 4880-137-173 5820-280-160 6569-358-169 7900-299-367 8748-274-166 9800-186-114 10816-256-280 11473-127-245 12575-275-125 30 同步竖式、脱式计算·三年级·北师版·上册 9三位数加减混合运算(1) ②易错点分析 没有先算括号里面的致误。 计算：652-(97+252) ⑧错误解答 ©错误改正 652-(97+252) 652-(97+252) =555+252 =652-349 没有先算括号 =807 里面的致误 =303 ⊙计算常练 用时：， 分 秒 错误： 个_家长评价：☆☆☆☆☆一一 ①807-569+467 2361-(137+129) 3537+297-678 4576-(276+178) 5374+328-265 6700-296+108 7)630-350+381 8909-(291+139) 9863-(186+263) 见此图标©跟抖音/微信扫码掌握技巧，笔算快人一步！ 10三位数加减混合运算(2) ①计算常练 用时：。分秒一错误：一个_家长评价：☆☆☆☆☆一小 ①413+560-402 2733-603+145 3958-(416+452) 4996-(245+213) 5239+754-111 6722+250-335 7)391-(125+151) 8326+164-383 9717-(304+329) 10891-(477+368) 1①674-(454+123) 12486-230+203 同步竖式、脱式计算·三年级·北师版·上册