Three-digit Addition Third Grade Worksheets | Math activities

Third Grade Three-digit Addition

15 Filtered Results

Three-digit Addition

$Count by... to 200$

Count by... to 200

1

$Count by... to 1000$

Count by... to 1000

2

$3-digit Addition without regrouping$

3-digit Addition without regrouping

3

$3-digit Addition without regrouping (rewriting the questions in columns)$

3-digit Addition without regrouping (rewriting the questions in columns)

4

$3-digit Addition with regrouping$

3-digit Addition with regrouping

5

$3-digit Addition with regrouping (rewriting the questions in columns)$

3-digit Addition with regrouping (rewriting the questions in columns)

6

$3-digit Addition with regrouping (Multiple Addends)$

3-digit Addition with regrouping (Multiple Addends)

7

$3-digit Mental Addition$

3-digit Mental Addition

8

Worksheets

$Three-digit numbers – Arithmetic sequences – Worksheet No.2$

Three-digit numbers – Arithmetic sequences – Worksheet No.2

$Three-digit numbers – Arithmetic sequences – Worksheet No.3$

Three-digit numbers – Arithmetic sequences – Worksheet No.3

$Addition of three digit numbers (no regrouping) - no.1$

Addition of three digit numbers (no regrouping) - no.1

$Addition of three digit numbers (no regrouping) - no.3$

Addition of three digit numbers (no regrouping) - no.3

$3 digit addition - Worksheet No.1$

3 digit addition - Worksheet No.1

$Addition of three-digit numbers (with regrouping ones) - no.1$

Addition of three-digit numbers (with regrouping ones) - no.1

$3 digit addition - Worksheet No.4$

3 digit addition - Worksheet No.4

$Addition of three-digit numbers (multi-addends ) - no.1$

Addition of three-digit numbers (multi-addends ) - no.1

$Three-digit addition No.1$

Three-digit addition No.1

$Three-digit addition No.4$

Three-digit addition No.4

$Mental 3 digit addition No.1$

Mental 3 digit addition No.1

$Three-digit numbers – Arithmetic sequences – Worksheet No.5$

Three-digit numbers – Arithmetic sequences – Worksheet No.5

$Mental 3 digit subtraction No.2$

Mental 3 digit subtraction No.2

$Three-digit addition and subtraction No.1$

Three-digit addition and subtraction No.1

$Three digits addition and subtraction problems$

Three digits addition and subtraction problems

15 Filtered Results

Three-digit Addition

Children will strengthen their skills already acquired by solving problems involving numbers with up to three digits. This is a big step forward in your child’s addition ability and a key to understanding addition.

More About Three-digit Addition

Three-digit addition is followed by addition with multi-digit numbers. Your child should be comfortable with three-digit addition to understand the lessons taught in the coming years easily. This can be achieved with these pages:Two Digit Addition, Three Digit Addition With Regrouping, Three Digit Addition Without Regrouping, Multidigit Addition, Three Digit Subtraction and Three Digit Numbers.