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Grade 3 maths worksheets: addition.

Adding three 3-digit numbers in columns. Worksheets with answers.





GRADE 3 WORKSHEETS. ADDITION.Page1





Data: __________________ Name: ______________________________ Score:__________
Add three 3-digit numbers in columns.

735895901277
964376272607
+818 +685 +278 +425


924426710647
380975296100
+284 +266 +697 +623


951113585212
106207726851
+108 +181 +445 +754


309539332973
212462761602
+287 +341 +893 +604


462513478965
581462926674
+596 +610 +482 +233


727166791451
727118540109
+642 +674 +591 +375



GRADE 3 WORKSHEETS. ADDITION.Page2





Data: __________________ Name: ______________________________ Score:__________
Add three 3-digit numbers in columns.

650981949867
120452941753
+335 +295 +583 +178


755454282109
388628308196
+847 +229 +402 +772


125509616404
187181647526
+607 +458 +617 +400


906877869945
784729981109
+737 +890 +113 +279


747895940560
220765879492
+109 +552 +422 +125


100774535306
183288912346
+191 +270 +355 +486



GRADE 3 WORKSHEETS. ADDITION.Page3





Data: __________________ Name: ______________________________ Score:__________
Add three 3-digit numbers in columns.

164479404864
685897334753
+349 +708 +392 +201


519352272820
972287588898
+714 +857 +884 +603


255537196598
920562705736
+493 +715 +956 +482


305206695366
928899365396
+429 +593 +622 +722


243658841534
740225239686
+873 +347 +803 +606


765981916507
584575668388
+303 +143 +486 +243



GRADE 3 WORKSHEETS. ADDITION.Page4





Data: __________________ Name: ______________________________ Score:__________
Add three 3-digit numbers in columns.

351406457236
707382702201
+375 +764 +447 +804


391935373634
207328389690
+675 +661 +398 +428


115305968453
327703530202
+880 +832 +455 +391


561474175990
532530407896
+603 +789 +733 +990


484886573918
626252870101
+368 +223 +467 +546


933366813767
702254747134
+199 +528 +600 +876



GRADE 3 WORKSHEETS. ADDITION.Page5





Data: __________________ Name: ______________________________ Score:__________
Add three 3-digit numbers in columns.

209985787332
477224645416
+952 +353 +599 +868


299394917559
546130736961
+615 +345 +946 +880


385324982912
665796519778
+599 +578 +431 +564


513911506856
278778366718
+716 +643 +346 +318


352561741860
572550213891
+621 +955 +347 +139


968739315544
508162456240
+460 +852 +782 +634



GRADE 3 WORKSHEETS. ADDITION.Page1

ANSWERS.



Add three 3-digit numbers in columns.

735895901277
964376272607
+818 +685 +278 +425
155315801179702


924426710647
380975296100
+284 +266 +697 +623
120869214071270


951113585212
106207726851
+108 +181 +445 +754
10592941030966


309539332973
212462761602
+287 +341 +893 +604
59688012251577


462513478965
581462926674
+596 +610 +482 +233
105811239601198


727166791451
727118540109
+642 +674 +591 +375
13698401382826





GRADE 3 WORKSHEETS. ADDITION.Page2

ANSWERS.



Add three 3-digit numbers in columns.

650981949867
120452941753
+335 +295 +583 +178
985127615321045


755454282109
388628308196
+847 +229 +402 +772
1602683684881


125509616404
187181647526
+607 +458 +617 +400
7329671233804


906877869945
784729981109
+737 +890 +113 +279
164317679821224


747895940560
220765879492
+109 +552 +422 +125
85614471362685


100774535306
183288912346
+191 +270 +355 +486
2911044890792





GRADE 3 WORKSHEETS. ADDITION.Page3

ANSWERS.



Add three 3-digit numbers in columns.

164479404864
685897334753
+349 +708 +392 +201
51311877961065


519352272820
972287588898
+714 +857 +884 +603
1233120911561423


255537196598
920562705736
+493 +715 +956 +482
748125211521080


305206695366
928899365396
+429 +593 +622 +722
73479913171088


243658841534
740225239686
+873 +347 +803 +606
1116100516441140


765981916507
584575668388
+303 +143 +486 +243
106811241402750





GRADE 3 WORKSHEETS. ADDITION.Page4

ANSWERS.



Add three 3-digit numbers in columns.

351406457236
707382702201
+375 +764 +447 +804
72611709041040


391935373634
207328389690
+675 +661 +398 +428
106615967711062


115305968453
327703530202
+880 +832 +455 +391
99511371423844


561474175990
532530407896
+603 +789 +733 +990
116412639081980


484886573918
626252870101
+368 +223 +467 +546
852110910401464


933366813767
702254747134
+199 +528 +600 +876
113289414131643





GRADE 3 WORKSHEETS. ADDITION.Page5

ANSWERS.



Add three 3-digit numbers in columns.

209985787332
477224645416
+952 +353 +599 +868
1161133813861200


299394917559
546130736961
+615 +345 +946 +880
91473918631439


385324982912
665796519778
+599 +578 +431 +564
98490214131476


513911506856
278778366718
+716 +643 +346 +318
122915548521174


352561741860
572550213891
+621 +955 +347 +139
97315161088999


968739315544
508162456240
+460 +852 +782 +634
1428159110971178





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