## Free addition worksheets from K5 Learning

Our 3rd grade addition worksheets include both "mental addition problems" intended for students to solve in their heads and multi-digit column form addition questions giving practice in computational skills.

Add 1 & 2-digit numbers 94 + 7 = ___
Add 1 & 2-digit numbers (missing addend) 94 + ___ = 103
Complete one hundred (missing addends) ___ + 85 = 100

Add a 2-digit & two 1-digit numbers 4 + 2 + 17 =
Add 3 & 1-digit numbers 865 + 5 = ___

## Whole tens

Add whole tens to 2-digit numbers 20 + 39 = ___
Add whole tens to 2-digit numbers (missing addend) 20 + ___ = 59

Add two whole tens and two 1-digit numbers 70 + 10 + 8 + 6 =__
Add whole tens (3 addends) 60 + 50 + 40 = ___

## Whole hundreds

Add to complete whole thousands 7300 + ___ = 9000

## Whole thousands

Add whole thousands and hundreds 7000 + 300 =
Add whole thousands to a number 4,000 + 3,601 = ___

Add two 2-digit numbers, no carrying

22
+ 23

38
+ 27

Add two 3-digit numbers, no carrying

123
+ 234

216
+ 955

342
+ 123
+ 456

456
+ 123
+ 567
+ 890

5,432
+ 1,543

9,002
+ 1,004
+ 2,567

1,111
+ 2,222
+ 3,333
+ 4,444