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3rd Grade Addition Worksheets

Ages 8-9 · 30 sub-topics · Free previews · Print-ready PDFs

Free printable addition math worksheets for 3rd grade students (Ages 8-9). Covers Add 1 & 2-digit numbers, Add 1 & 2-digit numbers (missing addend), Complete one hundred (missing addends), and more. All worksheets are aligned to Common Core standards.

Written by Sarah Chen, Curriculum Developer, M.Ed.

3rd Grade Math Addition Clear All

Addition▼

Addition facts

$Add 1 & 2-digit numbers (with missing addend) - Guitar$

Add 1 & 2-digit numbers (with missing addend) - Guitar

Grade3rd Grade

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$Add 1 & 2-digit numbers (with missing addend) - Headphone$

Add 1 & 2-digit numbers (with missing addend) - Headphone

Grade3rd Grade

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$Add a 2-digit number and a 1-digit number (missing addend) - Donut$

Add a 2-digit number and a 1-digit number (missing addend) - Donut

GradeGrades 2 & 3

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$Add a 2-digit number and a 1-digit number (missing addend) - Strawberry$

Add a 2-digit number and a 1-digit number (missing addend) - Strawberry

GradeGrades 2 & 3

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$Add three single-digit numbers - Colorful$

Add three single-digit numbers - Colorful

GradeGrades 2 & 3

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$Add three single-digit numbers - Dinosaur$

Add three single-digit numbers - Dinosaur

GradeGrades 2 & 3

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$Add two 1-digit numbers - Avocado$

Add two 1-digit numbers - Avocado

GradeGrades 2 & 3

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$Add two 1-digit numbers - Noodles$

Add two 1-digit numbers - Noodles

GradeGrades 2 & 3

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$Add two 1-digit numbers - Pancake$

Add two 1-digit numbers - Pancake

GradeGrades 2 & 3

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$Add two 1-digit numbers (2nd addend missing) - Bee$

Add two 1-digit numbers (2nd addend missing) - Bee

GradeGrades 2 & 3

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$Add two 1-digit numbers (2nd addend missing) - Butterfly$

Add two 1-digit numbers (2nd addend missing) - Butterfly

GradeGrades 2 & 3

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$Add two 1-digit numbers (2nd addend missing) - Ladybug$

Add two 1-digit numbers (2nd addend missing) - Ladybug

GradeGrades 2 & 3

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$Add two 1-digit numbers (random addend missing) - Mosquito$

Add two 1-digit numbers (random addend missing) - Mosquito

GradeGrades 2 & 3

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$Add two 1-digit numbers (random addend missing) - Parrot$

Add two 1-digit numbers (random addend missing) - Parrot

GradeGrades 2 & 3

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$Add two whole tens and two 1-digit numbers - Sweep$

Add two whole tens and two 1-digit numbers - Sweep

Grade3rd Grade

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$Add two whole tens and two 1-digit numbers - Vacuum$

Add two whole tens and two 1-digit numbers - Vacuum

Grade3rd Grade

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$Adding 3-digit and 1-digit numbers - Plane$

Adding 3-digit and 1-digit numbers - Plane

Grade3rd Grade

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$Adding 3-digit and 1-digit numbers - Sub$

Adding 3-digit and 1-digit numbers - Sub

Grade3rd Grade

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$Adding three 1-digit numbers (missing addend) - Desert$

Adding three 1-digit numbers (missing addend) - Desert

GradeGrades 2 & 3

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$Adding three 1-digit numbers (missing addend) - Jungle$

Adding three 1-digit numbers (missing addend) - Jungle

GradeGrades 2 & 3

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$Adding three 1-digit numbers (missing addend) - Ocean$

Adding three 1-digit numbers (missing addend) - Ocean

GradeGrades 2 & 3

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$Adding three 1-digit numbers (missing addend) - Picnic$

Adding three 1-digit numbers (missing addend) - Picnic

GradeGrades 2 & 3

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$Adding three 1-digit numbers (missing addend) - Space$

Adding three 1-digit numbers (missing addend) - Space

GradeGrades 2 & 3

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$Adding to complete one hundred (missing addend) - Gamer$

Adding to complete one hundred (missing addend) - Gamer

Grade3rd Grade

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$Adding to complete one hundred (missing addend) - Gaming$

Adding to complete one hundred (missing addend) - Gaming

Grade3rd Grade

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$Adding whole hundreds (2 addends) - Cat$

Adding whole hundreds (2 addends) - Cat

GradeGrades 2 & 3

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$Adding whole hundreds (2 addends) - Fox$

Adding whole hundreds (2 addends) - Fox

GradeGrades 2 & 3

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$Adding whole hundreds (2 addends) - Rabbit$

Adding whole hundreds (2 addends) - Rabbit

GradeGrades 2 & 3

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$Adding whole hundreds (3 addends) - Coffee$

Adding whole hundreds (3 addends) - Coffee

GradeGrades 2 & 3

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$Adding whole hundreds (3 addends) - Laptop$

Adding whole hundreds (3 addends) - Laptop

GradeGrades 2 & 3

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$Adding whole hundreds (3 addends) - Relax$

Adding whole hundreds (3 addends) - Relax

GradeGrades 2 & 3

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$Adding whole hundreds (missing addend) - Strawberry$

Adding whole hundreds (missing addend) - Strawberry

GradeGrades 2 & 3

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$Adding whole hundreds (missing addend) - Summer$

Adding whole hundreds (missing addend) - Summer

GradeGrades 2 & 3

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$Adding whole hundreds (missing addend) - Surf$

Adding whole hundreds (missing addend) - Surf

GradeGrades 2 & 3

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$Adding whole hundreds to complete a thousand - Dumbbell$

Adding whole hundreds to complete a thousand - Dumbbell

GradeGrades 2 & 3

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$Adding whole hundreds to complete a thousand - Yoga$

Adding whole hundreds to complete a thousand - Yoga

GradeGrades 2 & 3

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$Adding within 0-10 (2nd addend missing) - Chicken$

Adding within 0-10 (2nd addend missing) - Chicken

GradeGrades 2 & 3

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$Adding within 0-10 (2nd addend missing) - Frog$

Adding within 0-10 (2nd addend missing) - Frog

GradeGrades 2 & 3

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$Adding within 0-10 (2nd addend missing) - Raccoon$

Adding within 0-10 (2nd addend missing) - Raccoon

GradeGrades 2 & 3

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$Adding within 0-10 (random addend missing) - Ape$

Adding within 0-10 (random addend missing) - Ape

GradeGrades 2 & 3

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$Adding within 0-10 (random addend missing) - Fox$

Adding within 0-10 (random addend missing) - Fox

GradeGrades 2 & 3

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Two-digit addition

$Add 2-digit and 1-digit numbers (with carrying) - Goat$

Add 2-digit and 1-digit numbers (with carrying) - Goat

Grade3rd Grade

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$Add 2-digit and 1-digit numbers (with carrying) - Lynx$

Add 2-digit and 1-digit numbers (with carrying) - Lynx

Grade3rd Grade

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$Add 2-digit and 1-digit numbers (with carrying) - Reindeer$

Add 2-digit and 1-digit numbers (with carrying) - Reindeer

Grade3rd Grade

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$Add 2-digit and 1-digit numbers (with carrying) - Tiger$

Add 2-digit and 1-digit numbers (with carrying) - Tiger

Grade3rd Grade

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$Add two 2-digit numbers (no regrouping) - Drone$

Add two 2-digit numbers (no regrouping) - Drone

GradeGrades 2 & 3

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$Add two 2-digit numbers (no regrouping) - Satellite$

Add two 2-digit numbers (no regrouping) - Satellite

GradeGrades 2 & 3

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$Add two 2-digit numbers (no regrouping) - Tractor$

Add two 2-digit numbers (no regrouping) - Tractor

GradeGrades 2 & 3

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$Add whole tens to 2-digit numbers (with missing addend) - Cereal$

Add whole tens to 2-digit numbers (with missing addend) - Cereal

Grade3rd Grade

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$Add whole tens to 2-digit numbers (with missing addend) - Popcorn$

Add whole tens to 2-digit numbers (with missing addend) - Popcorn

Grade3rd Grade

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$Adding whole tens (3 addends with missing number) - Cook$

Adding whole tens (3 addends with missing number) - Cook

GradeGrades 2 & 3

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$Adding whole tens (3 addends with missing number) - Scorpion$

Adding whole tens (3 addends with missing number) - Scorpion

GradeGrades 2 & 3

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$Adding whole tens (3 addends) - Detective$

Adding whole tens (3 addends) - Detective

GradeGrades 2 & 3

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$Adding whole tens (3 addends) - Peak$

Adding whole tens (3 addends) - Peak

GradeGrades 2 & 3

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$Adding whole tens (3 addends) - Puzzle$

Adding whole tens (3 addends) - Puzzle

GradeGrades 2 & 3

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$Adding whole tens (4 addends with missing number) - Balloon$

Adding whole tens (4 addends with missing number) - Balloon

GradeGrades 2 & 3

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$Adding whole tens (4 addends with missing number) - Dino$

Adding whole tens (4 addends with missing number) - Dino

GradeGrades 2 & 3

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$Adding whole tens (4 addends) - Cactus$

Adding whole tens (4 addends) - Cactus

GradeGrades 2 & 3

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$Adding whole tens (4 addends) - Cowboy$

Adding whole tens (4 addends) - Cowboy

GradeGrades 2 & 3

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$Adding whole tens (4 addends) - Cowgirl$

Adding whole tens (4 addends) - Cowgirl

GradeGrades 2 & 3

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$Adding whole tens to a 2-digit number - Cloud$

Adding whole tens to a 2-digit number - Cloud

Grade3rd Grade

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$Adding whole tens to a 2-digit number - Sun$

Adding whole tens to a 2-digit number - Sun

Grade3rd Grade

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$Find the number to complete the next ten - Look$

Find the number to complete the next ten - Look

GradeGrades 2 & 3

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$Find the number to complete the next ten - Search$

Find the number to complete the next ten - Search

GradeGrades 2 & 3

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Addition

$Add 2-digit numbers (sum under 100) - Bunny$

Add 2-digit numbers (sum under 100) - Bunny

Grade3rd Grade

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$Add 2-digit numbers (sum under 100) - Grapes$

Add 2-digit numbers (sum under 100) - Grapes

Grade3rd Grade

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$Add four 1-digit numbers - Blocks$

Add four 1-digit numbers - Blocks

GradeGrades 2 & 3

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$Add four 1-digit numbers - Blocks$

Add four 1-digit numbers - Blocks

GradeGrades 2 & 3

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$Add four 1-digit numbers - Computer$

Add four 1-digit numbers - Computer

GradeGrades 2 & 3

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$Add four 1-digit numbers - Fun$

Add four 1-digit numbers - Fun

GradeGrades 2 & 3

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$Add four 1-digit numbers - Work$

Add four 1-digit numbers - Work

GradeGrades 2 & 3

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$Adding whole tens (2 digits) - Boat$

Adding whole tens (2 digits) - Boat

GradeGrades 2 & 3

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$Adding whole tens (2 digits) - Plane$

Adding whole tens (2 digits) - Plane

GradeGrades 2 & 3

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$Adding whole tens (missing number) - Monkey$

Adding whole tens (missing number) - Monkey

GradeGrades 2 & 3

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Multi-digit addition

$Add a 2-digit and 1-digit number, no regrouping - Purple Notebook$

Add a 2-digit and 1-digit number, no regrouping - Purple Notebook

GradeGrades 2 & 3

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$Add one 2-digit and two 1-digit numbers - Fish$

Add one 2-digit and two 1-digit numbers - Fish

Grade3rd Grade

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$Add one 2-digit and two 1-digit numbers - Shark$

Add one 2-digit and two 1-digit numbers - Shark

Grade3rd Grade

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$Add two 2-digit numbers in columns - Hello$

Add two 2-digit numbers in columns - Hello

GradeGrades 2 & 3

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$Add two 2-digit numbers in columns (with regrouping) - Drone$

Add two 2-digit numbers in columns (with regrouping) - Drone

Grade3rd Grade

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$Add two 2-digit numbers in columns (with regrouping) - Travel$

Add two 2-digit numbers in columns (with regrouping) - Travel

Grade3rd Grade

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$Add two 3-digit numbers in columns - Sun Shades$

Add two 3-digit numbers in columns - Sun Shades

GradeGrades 2 & 3

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$Add whole tens (3 addends) - Fire$

Add whole tens (3 addends) - Fire

Grade3rd Grade

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$Add whole tens (3 addends) - Snow$

Add whole tens (3 addends) - Snow

Grade3rd Grade

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$Adding 3-digit numbers in columns (no regrouping) - Duck$

Adding 3-digit numbers in columns (no regrouping) - Duck

GradeGrades 2 & 3

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$Adding 3-digit numbers in columns (no regrouping) - Fish$

Adding 3-digit numbers in columns (no regrouping) - Fish

Grade3rd Grade

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$Adding 3-digit numbers in columns (no regrouping) - Pineapple$

Adding 3-digit numbers in columns (no regrouping) - Pineapple

GradeGrades 2 & 3

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$Adding 4 numbers with missing addend - Elephant$

Adding 4 numbers with missing addend - Elephant

GradeGrades 2 & 3

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$Adding four 1-digit numbers (with missing addend) - Baseball$

Adding four 1-digit numbers (with missing addend) - Baseball

GradeGrades 2 & 3

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$Adding four 1-digit numbers (with missing addend) - Basketball$

Adding four 1-digit numbers (with missing addend) - Basketball

GradeGrades 2 & 3

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$Adding two 2-digit Numbers (no carrying) - Fifty Friends$

Adding two 2-digit Numbers (no carrying) - Fifty Friends

Grade3rd Grade

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$Adding two 2-digit Numbers (no carrying) - Light Studying$

Adding two 2-digit Numbers (no carrying) - Light Studying

Grade3rd Grade

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$Adding two 2-digit Numbers (no carrying) - Peaceful Calculator$

Adding two 2-digit Numbers (no carrying) - Peaceful Calculator

Grade3rd Grade

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$Adding two 2-digit Numbers (no carrying) - Scientific Calculator$

Adding two 2-digit Numbers (no carrying) - Scientific Calculator

Grade3rd Grade

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$Adding two 2-digit Numbers (no carrying) - Sleeping Calculator$

Adding two 2-digit Numbers (no carrying) - Sleeping Calculator

Grade3rd Grade

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$Adding two 2-digit Numbers (no carrying) - Smart Calculator$

Adding two 2-digit Numbers (no carrying) - Smart Calculator

Grade3rd Grade

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$Adding two 2-digit Numbers (no carrying) - Smart Planet$

Adding two 2-digit Numbers (no carrying) - Smart Planet

Grade3rd Grade

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$Adding two 2-digit Numbers (no carrying) - Study Kit$

Adding two 2-digit Numbers (no carrying) - Study Kit

Grade3rd Grade

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$Adding two 2-digit Numbers (no carrying) - Ten Buddies$

Adding two 2-digit Numbers (no carrying) - Ten Buddies

Grade3rd Grade

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$Adding two 2-digit numbers in columns (no regrouping) - Flying$

Adding two 2-digit numbers in columns (no regrouping) - Flying

GradeGrades 2 & 3

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$Adding two 2-digit numbers in columns (no regrouping) - Traveler$

Adding two 2-digit numbers in columns (no regrouping) - Traveler

GradeGrades 2 & 3

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$Addition word problems - Beach$

Addition word problems - Beach

GradeGrades 2 & 3

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$Addition word problems - Cookies$

Addition word problems - Cookies

GradeGrades 2 & 3

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$Addition word problems - Picnic$

Addition word problems - Picnic

GradeGrades 2 & 3

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$Mental Math: Adding two 2-digit Numbers (no carrying) - Blackboard Cat$

Mental Math: Adding two 2-digit Numbers (no carrying) - Blackboard Cat

Grade3rd Grade

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$Mental Math: Adding two 2-digit Numbers (no carrying) - Calculator$

Mental Math: Adding two 2-digit Numbers (no carrying) - Calculator

Grade3rd Grade

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$Mental Math: Adding two 2-digit Numbers (no carrying) - Notebooks$

Mental Math: Adding two 2-digit Numbers (no carrying) - Notebooks

Grade3rd Grade

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$Mental Math: Adding two 2-digit Numbers (no carrying) - Pencil Fun$

Mental Math: Adding two 2-digit Numbers (no carrying) - Pencil Fun

Grade3rd Grade

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$Mental Math: Adding two 2-digit Numbers (no carrying) - Purple Pencil$

Mental Math: Adding two 2-digit Numbers (no carrying) - Purple Pencil

Grade3rd Grade

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$Mental Math: Adding two 2-digit Numbers (no carrying) - Smart Cat$

Mental Math: Adding two 2-digit Numbers (no carrying) - Smart Cat

Grade3rd Grade

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More Addition Worksheets

$Build a 4-digit number from the parts - Measure$

Build a 4-digit number from the parts - Measure

Grade3rd Grade

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$Expanded form (3 and 4 digit numbers) - Build$

Expanded form (3 and 4 digit numbers) - Build

Grade3rd Grade

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$Expanded form (3 and 4 digit numbers) - Net$

Expanded form (3 and 4 digit numbers) - Net

Grade3rd Grade

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$Find the missing place value (4-digits) - Rabbit$

Find the missing place value (4-digits) - Rabbit

Grade3rd Grade

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$Missing place value (4 digits) - Plane$

Missing place value (4 digits) - Plane

Grade3rd Grade

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$Missing place value (4 digits) - Runner$

Missing place value (4 digits) - Runner

Grade3rd Grade

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See Addition for other grades

Kindergarten 1st Grade 2nd Grade

Frequently Asked Questions

Third graders should fluently add within 1,000 using strategies based on place value and properties of operations (CCSS 3.NBT.A.2). They work with three-digit and four-digit addition, including problems that require multiple regrouping steps.

More math worksheets

Explore all of our 3rd grade math worksheets, covering addition, subtraction, multiplication, division, and more.

Subtraction Multiplication Division Order of Operations Roman Numerals Measurement Place Value Ordering Numbers Fractions Skip Counting Rounding Time

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