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GRADE 3 MATHS WORKSHEETS: Addition

Adding whole hundreds, 3 addends with answers





Grade 3 worksheets: adding whole hundreds 3 addends. Page 1.



200 +100 +300 =__800 +500 +500 =__

100 +500 +900 =__900 +300 +600 =__

900 +400 +600 =__900 +700 +900 =__

500 +600 +600 =__900 +600 +200 =__

800 +500 +600 =__700 +500 +300 =__

900 +400 +500 =__400 +100 +500 =__

900 +900 +300 =__200 +100 +500 =__

700 +200 +500 =__700 +600 +700 =__

300 +900 +400 =__600 +400 +200 =__

500 +200 +300 =__500 +500 +200 =__

300 +800 +500 =__900 +600 +700 =__

200 +400 +700 =__100 +600 +400 =__

400 +300 +600 =__800 +800 +900 =__




Grade 3 worksheets: adding whole hundreds 3 addends. Page 1.

ANSWERS.

200 +100 +300 =600800 +500 +500 =1800

100 +500 +900 =1500900 +300 +600 =1800

900 +400 +600 =1900900 +700 +900 =2500

500 +600 +600 =1700900 +600 +200 =1700

800 +500 +600 =1900700 +500 +300 =1500

900 +400 +500 =1800400 +100 +500 =1000

900 +900 +300 =2100200 +100 +500 =800

700 +200 +500 =1400700 +600 +700 =2000

300 +900 +400 =1600600 +400 +200 =1200

500 +200 +300 =1000500 +500 +200 =1200

300 +800 +500 =1600900 +600 +700 =2200

200 +400 +700 =1300100 +600 +400 =1100




Grade 3 worksheets: adding whole hundreds 3 addends. Page 2.



600 +300 +700 =__600 +300 +900 =__

800 +800 +300 =__700 +800 +500 =__

700 +900 +500 =__700 +900 +500 =__

400 +200 +300 =__900 +300 +300 =__

400 +800 +900 =__900 +500 +700 =__

800 +600 +400 =__500 +600 +400 =__

300 +900 +400 =__400 +300 +800 =__

500 +900 +600 =__500 +100 +400 =__

100 +700 +800 =__700 +200 +700 =__

100 +400 +100 =__600 +500 +900 =__

200 +800 +300 =__900 +900 +500 =__

300 +800 +100 =__800 +700 +100 =__

600 +600 +900 =__200 +300 +900 =__




Grade 3 worksheets: adding whole hundreds 3 addends. Page 2.

ANSWERS.

600 +300 +700 =1600600 +300 +900 =1800

800 +800 +300 =1900700 +800 +500 =2000

700 +900 +500 =2100700 +900 +500 =2100

400 +200 +300 =900900 +300 +300 =1500

400 +800 +900 =2100900 +500 +700 =2100

800 +600 +400 =1800500 +600 +400 =1500

300 +900 +400 =1600400 +300 +800 =1500

500 +900 +600 =2000500 +100 +400 =1000

100 +700 +800 =1600700 +200 +700 =1600

100 +400 +100 =600600 +500 +900 =2000

200 +800 +300 =1300900 +900 +500 =2300

300 +800 +100 =1200800 +700 +100 =1600




Grade 3 worksheets: adding whole hundreds 3 addends. Page 3.



200 +700 +300 =__600 +800 +700 =__

600 +100 +700 =__500 +100 +600 =__

900 +700 +800 =__300 +400 +300 =__

200 +600 +900 =__700 +300 +500 =__

100 +300 +200 =__200 +700 +200 =__

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

300 +100 +100 =__200 +200 +400 =__

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

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

700 +400 +700 =__300 +100 +600 =__

700 +500 +700 =__400 +500 +600 =__

400 +400 +600 =__500 +900 +100 =__

600 +400 +800 =__700 +200 +900 =__




Grade 3 worksheets: adding whole hundreds 3 addends. Page 3.

ANSWERS.

200 +700 +300 =1200600 +800 +700 =2100

600 +100 +700 =1400500 +100 +600 =1200

900 +700 +800 =2400300 +400 +300 =1000

200 +600 +900 =1700700 +300 +500 =1500

100 +300 +200 =600200 +700 +200 =1100

800 +500 +800 =2100900 +200 +200 =1300

300 +100 +100 =500200 +200 +400 =800

500 +400 +800 =1700900 +200 +300 =1400

200 +500 +300 =1000200 +200 +400 =800

700 +400 +700 =1800300 +100 +600 =1000

700 +500 +700 =1900400 +500 +600 =1500

400 +400 +600 =1400500 +900 +100 =1500




Grade 3 worksheets: adding whole hundreds 3 addends. Page 4.



200 +900 +800 =__900 +700 +100 =__

600 +400 +400 =__900 +400 +100 =__

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

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

200 +100 +800 =__700 +800 +500 =__

600 +900 +600 =__800 +500 +700 =__

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

100 +500 +600 =__400 +800 +200 =__

400 +500 +400 =__500 +900 +600 =__

700 +700 +400 =__800 +900 +500 =__

700 +600 +100 =__500 +400 +400 =__

600 +100 +800 =__300 +500 +800 =__

400 +600 +100 =__100 +700 +900 =__




Grade 3 worksheets: adding whole hundreds 3 addends. Page 4.

ANSWERS.

200 +900 +800 =1900900 +700 +100 =1700

600 +400 +400 =1400900 +400 +100 =1400

800 +300 +100 =1200800 +300 +400 =1500

300 +300 +900 =1500900 +600 +700 =2200

200 +100 +800 =1100700 +800 +500 =2000

600 +900 +600 =2100800 +500 +700 =2000

600 +700 +100 =1400200 +700 +900 =1800

100 +500 +600 =1200400 +800 +200 =1400

400 +500 +400 =1300500 +900 +600 =2000

700 +700 +400 =1800800 +900 +500 =2200

700 +600 +100 =1400500 +400 +400 =1300

600 +100 +800 =1500300 +500 +800 =1600




Grade 3 worksheets: adding whole hundreds 3 addends. Page 5.



700 +400 +400 =__900 +900 +500 =__

500 +100 +200 =__700 +300 +500 =__

100 +700 +200 =__200 +300 +600 =__

100 +200 +400 =__200 +400 +400 =__

200 +900 +800 =__400 +300 +100 =__

400 +600 +600 =__500 +100 +100 =__

800 +800 +100 =__400 +200 +600 =__

500 +300 +500 =__500 +900 +900 =__

800 +600 +500 =__600 +200 +300 =__

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

900 +400 +100 =__900 +500 +600 =__

800 +800 +600 =__800 +200 +300 =__

600 +200 +500 =__900 +200 +200 =__




Grade 3 worksheets: adding whole hundreds 3 addends. Page 5.

ANSWERS.

700 +400 +400 =1500900 +900 +500 =2300

500 +100 +200 =800700 +300 +500 =1500

100 +700 +200 =1000200 +300 +600 =1100

100 +200 +400 =700200 +400 +400 =1000

200 +900 +800 =1900400 +300 +100 =800

400 +600 +600 =1600500 +100 +100 =700

800 +800 +100 =1700400 +200 +600 =1200

500 +300 +500 =1300500 +900 +900 =2300

800 +600 +500 =1900600 +200 +300 =1100

900 +600 +300 =1800900 +900 +400 =2200

900 +400 +100 =1400900 +500 +600 =2000

800 +800 +600 =2200800 +200 +300 =1300




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