MATHEMATICS AT SCHOOL
MATH WORKSHEETS, TESTS, FLASH CARDS, etc.

GRADE 3 MATHS WORKSHEETS: Addition

Adding whole hundreds, 3 addends. Worksheets with answers.





GRADE 3 WORKSHEETS. ADDITION.

Page 1.



Data: __________________ Name: _______________________________ Score:__________
Add tree numbers whole hyndreds.


800 +400 +200 =__400 +900 +100 =__

600 +200 +600 =__900 +100 +300 =__

900 +800 +700 =__600 +200 +600 =__

400 +400 +800 =__500 +300 +100 =__

600 +200 +300 =__300 +800 +600 =__

300 +200 +700 =__500 +300 +600 =__

400 +200 +500 =__600 +100 +600 =__

400 +400 +200 =__900 +200 +100 =__

700 +900 +500 =__200 +200 +400 =__

600 +900 +600 =__600 +500 +900 =__

100 +200 +100 =__800 +500 +800 =__

600 +600 +500 =__100 +400 +400 =__



GRADE 3 WORKSHEETS. ADDITION.

Page 2.



Data: __________________ Name: _______________________________ Score:__________
Add tree numbers whole hyndreds.


300 +200 +300 =__200 +900 +100 =__

400 +400 +300 =__200 +100 +800 =__

900 +400 +300 =__100 +900 +600 =__

200 +500 +400 =__200 +800 +300 =__

100 +100 +700 =__100 +400 +300 =__

500 +600 +800 =__600 +300 +800 =__

600 +200 +100 =__200 +900 +300 =__

900 +600 +800 =__300 +200 +100 =__

600 +300 +800 =__500 +600 +700 =__

800 +600 +700 =__300 +900 +200 =__

600 +100 +500 =__100 +500 +500 =__

600 +500 +200 =__500 +900 +500 =__



GRADE 3 WORKSHEETS. ADDITION.

Page 3.



Data: __________________ Name: _______________________________ Score:__________
Add tree numbers whole hyndreds.


200 +700 +900 =__500 +400 +900 =__

600 +400 +300 =__300 +700 +400 =__

600 +100 +500 =__200 +500 +300 =__

600 +700 +300 =__900 +700 +900 =__

700 +700 +800 =__600 +200 +600 =__

800 +400 +300 =__800 +100 +400 =__

600 +100 +500 =__100 +600 +200 =__

700 +200 +100 =__300 +400 +800 =__

200 +600 +400 =__900 +400 +200 =__

400 +900 +200 =__100 +500 +100 =__

600 +500 +800 =__300 +900 +800 =__

200 +700 +200 =__900 +300 +500 =__



GRADE 3 WORKSHEETS. ADDITION.

Page 4.



Data: __________________ Name: _______________________________ Score:__________
Add tree numbers whole hyndreds.


900 +800 +600 =__700 +500 +200 =__

100 +700 +400 =__200 +200 +800 =__

300 +400 +900 =__600 +100 +300 =__

800 +100 +600 =__800 +400 +600 =__

900 +600 +300 =__900 +800 +100 =__

400 +900 +200 =__800 +600 +500 =__

900 +700 +600 =__300 +300 +600 =__

500 +100 +700 =__800 +700 +100 =__

300 +600 +400 =__900 +600 +900 =__

300 +300 +600 =__200 +700 +800 =__

800 +400 +900 =__100 +700 +800 =__

400 +600 +300 =__400 +400 +300 =__



GRADE 3 WORKSHEETS. ADDITION.

Page 5.



Data: __________________ Name: _______________________________ Score:__________
Add tree numbers whole hyndreds.


600 +900 +700 =__200 +700 +100 =__

800 +300 +100 =__900 +100 +300 =__

800 +400 +300 =__900 +500 +200 =__

200 +400 +500 =__900 +800 +800 =__

800 +700 +600 =__900 +400 +500 =__

300 +500 +500 =__800 +600 +700 =__

700 +100 +400 =__900 +300 +900 =__

300 +500 +500 =__100 +500 +100 =__

800 +800 +600 =__300 +700 +800 =__

600 +500 +200 =__300 +500 +700 =__

500 +400 +900 =__500 +700 +700 =__

300 +800 +200 =__100 +200 +800 =__



GRADE 3 WORKSHEETS. ADDITION. ANSWERS.

Page 1.




Add tree numbers whole hyndreds.


800 +400 +200 =1400400 +900 +100 =1400

600 +200 +600 =1400900 +100 +300 =1300

900 +800 +700 =2400600 +200 +600 =1400

400 +400 +800 =1600500 +300 +100 =900

600 +200 +300 =1100300 +800 +600 =1700

300 +200 +700 =1200500 +300 +600 =1400

400 +200 +500 =1100600 +100 +600 =1300

400 +400 +200 =1000900 +200 +100 =1200

700 +900 +500 =2100200 +200 +400 =800

600 +900 +600 =2100600 +500 +900 =2000

100 +200 +100 =400800 +500 +800 =2100

600 +600 +500 =1700100 +400 +400 =900



GRADE 3 WORKSHEETS. ADDITION. ANSWERS.

Page 2.




Add tree numbers whole hyndreds.


300 +200 +300 =800200 +900 +100 =1200

400 +400 +300 =1100200 +100 +800 =1100

900 +400 +300 =1600100 +900 +600 =1600

200 +500 +400 =1100200 +800 +300 =1300

100 +100 +700 =900100 +400 +300 =800

500 +600 +800 =1900600 +300 +800 =1700

600 +200 +100 =900200 +900 +300 =1400

900 +600 +800 =2300300 +200 +100 =600

600 +300 +800 =1700500 +600 +700 =1800

800 +600 +700 =2100300 +900 +200 =1400

600 +100 +500 =1200100 +500 +500 =1100

600 +500 +200 =1300500 +900 +500 =1900



GRADE 3 WORKSHEETS. ADDITION. ANSWERS.

Page 3.




Add tree numbers whole hyndreds.


200 +700 +900 =1800500 +400 +900 =1800

600 +400 +300 =1300300 +700 +400 =1400

600 +100 +500 =1200200 +500 +300 =1000

600 +700 +300 =1600900 +700 +900 =2500

700 +700 +800 =2200600 +200 +600 =1400

800 +400 +300 =1500800 +100 +400 =1300

600 +100 +500 =1200100 +600 +200 =900

700 +200 +100 =1000300 +400 +800 =1500

200 +600 +400 =1200900 +400 +200 =1500

400 +900 +200 =1500100 +500 +100 =700

600 +500 +800 =1900300 +900 +800 =2000

200 +700 +200 =1100900 +300 +500 =1700



GRADE 3 WORKSHEETS. ADDITION. ANSWERS.

Page 4.




Add tree numbers whole hyndreds.


900 +800 +600 =2300700 +500 +200 =1400

100 +700 +400 =1200200 +200 +800 =1200

300 +400 +900 =1600600 +100 +300 =1000

800 +100 +600 =1500800 +400 +600 =1800

900 +600 +300 =1800900 +800 +100 =1800

400 +900 +200 =1500800 +600 +500 =1900

900 +700 +600 =2200300 +300 +600 =1200

500 +100 +700 =1300800 +700 +100 =1600

300 +600 +400 =1300900 +600 +900 =2400

300 +300 +600 =1200200 +700 +800 =1700

800 +400 +900 =2100100 +700 +800 =1600

400 +600 +300 =1300400 +400 +300 =1100



GRADE 3 WORKSHEETS. ADDITION. ANSWERS.

Page 5.




Add tree numbers whole hyndreds.


600 +900 +700 =2200200 +700 +100 =1000

800 +300 +100 =1200900 +100 +300 =1300

800 +400 +300 =1500900 +500 +200 =1600

200 +400 +500 =1100900 +800 +800 =2500

800 +700 +600 =2100900 +400 +500 =1800

300 +500 +500 =1300800 +600 +700 =2100

700 +100 +400 =1200900 +300 +900 =2100

300 +500 +500 =1300100 +500 +100 =700

800 +800 +600 =2200300 +700 +800 =1800

600 +500 +200 =1300300 +500 +700 =1500

500 +400 +900 =1800500 +700 +700 =1900

300 +800 +200 =1300100 +200 +800 =1100



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