Worksheets
Resources
Community
Log in
Create workbook
Printable Addition Within 20 Worksheets
all
pre-k
kindergarten
1st grade
2nd grade
3rd grade
4th grade
5th grade
Subject
Addition within 20
Level
Can’t find a worksheet?
Add three single-digit numbers - Colorful
Level
Grade
1st, 2nd, 3rd
Topic
Addition
Add three single-digit numbers - Colorful
This worksheet helps students practice adding three single-digit numbers with sums up to 20. It strengthens basic addition skills, number sense, and mental math fluency. Worksheet instructions: Find the sum for each problem
Share
Add two 1-digit numbers - Noodles
Level
Grade
1st, 2nd, 3rd
Topic
Addition
Add two 1-digit numbers - Noodles
In this worksheet, students practice adding two single-digit numbers to find the sum. This worksheet helps build fluency in basic addition and strengthens mental math skills. Worksheet instructions: Find the sum for each problem below.
Share
Add two 1-digit numbers - Avocado
Level
Grade
1st, 2nd, 3rd
Topic
Addition
Add two 1-digit numbers - Avocado
In this math worksheet, students practice adding two single-digit numbers to find the sum. This worksheet helps build fluency in basic addition and strengthens mental math skills. Worksheet instructions: Find the sum for each problem below.
Share
Add two 1-digit numbers - Pancake
Level
Grade
1st, 2nd, 3rd
Topic
Addition
Add two 1-digit numbers - Pancake
In this addition worksheet, students practice adding two single-digit numbers to find the sum. This worksheet helps build fluency in basic addition and strengthens mental math skills. Worksheet instructions: Find the sum for each problem below.
Share
Add two 1-digit numbers (random addend missing) - Parrot
Level
Grade
1st, 2nd, 3rd
Topic
Addition
Add two 1-digit numbers (random addend missing) - Parrot
In this addition worksheet students practice finding missing addends in equations with sums up to 20. This worksheet strengthens mental math and basic addition skills. Worksheet instructions: Find the missing number in each equation.
Share
Add two 1-digit numbers (random addend missing) - Mosquito
Level
Grade
1st, 2nd, 3rd
Topic
Addition
Add two 1-digit numbers (random addend missing) - Mosquito
This worksheet helps students practice finding missing addends in equations with sums up to 20. It strengthens mental math and basic addition skills. Worksheet instructions: Find the missing number in each equation.
Share
Add two 1-digit numbers (2nd addend missing) - Ladybug
Level
Grade
1st, 2nd, 3rd
Topic
Addition
Add two 1-digit numbers (2nd addend missing) - Ladybug
This math worksheet helps students practice finding missing addends in equations with sums up to 20, strengthening mental math and basic addition skills. Worksheet instructions: Find the missing number in each equation.
Share
Add two 1-digit numbers (2nd addend missing) - Butterfly
Level
Grade
1st, 2nd, 3rd
Topic
Addition
Add two 1-digit numbers (2nd addend missing) - Butterfly
This addition worksheet helps students practice finding missing addends in equations with sums up to 20, strengthening mental math & basic addition skills. Worksheet instructions: Find the missing number in each equation.
Share
Add two 1-digit numbers (2nd addend missing) - Bee
Level
Grade
1st, 2nd, 3rd
Topic
Addition
Add two 1-digit numbers (2nd addend missing) - Bee
This worksheet helps students practice finding missing addends in equations with sums up to 20, strengthening mental math & basic addition skills. Worksheet instructions: Find the missing number in each equation.
Share
Addition with ten frames (sums within 20) - Toy car
Level
Grade
K, 1st, 2nd
Topic
Base ten blocks
Addition with ten frames (sums within 20) - Toy car
This ten frames worksheet is excellent for helping students learn how numbers add up to 20. Worksheet instructions: Count the counters in each ten frame, then add them.
Share
Addition with ten frames (sums within 20) - Toy
Level
Grade
K, 1st, 2nd
Topic
Base ten blocks
Addition with ten frames (sums within 20) - Toy
This ten frames worksheet helps students learn how numbers add up to 20 using ten frames. Worksheet instructions: Count the counters in each ten frame, then add them.
Share
Addition with ten frames (sums within 20) - Teddy
Level
Grade
K, 1st, 2nd
Topic
Base ten blocks
Addition with ten frames (sums within 20) - Teddy
This 10 frames worksheet helps students learn how numbers add up to 20 using ten frames. Worksheet instructions: Count the counters in each ten frame, then add them.
Share
Addition (sums to 20) - House
Level
Grade
K, 1st
Topic
Addition
Addition (sums to 20) - House
This worksheet helps students improve their math skills by adding two numbers with sums of 20 or less. Worksheet instructions: Solve each addition problem.
Share
Tens and ones - Decomposing numbers (0-20) - Van
Level
Grade
pre-k, K, 1st
Topic
Addition
Tens and ones - Decomposing numbers (0-20) - Van
Worksheet instructions: How many tens and ones? Fill in the missing numbers in the box.
Share
Addition maze (sums to 20) -Teddy Bear
Level
Grade
K, 1st, 2nd
Topic
Addition
Addition maze (sums to 20) -Teddy Bear
Worksheet instructions: Help the bear reach the honey by coloring in each box if the answer equals 20.
Share
Addition maze (sums to 20) - Classmates
Level
Grade
K, 1st, 2nd
Topic
Addition
Addition maze (sums to 20) - Classmates
Worksheet instructions: Help the students reach the school by coloring in each box if the answer equals 20.
Share
Addition maze (sums to 20) - Giraffe
Level
Grade
K, 1st, 2nd
Topic
Addition
Addition maze (sums to 20) - Giraffe
Worksheet instructions: Help the giraffe reach the tree by coloring in each box if the answer equals 20.
Share
Addition maze (sums to 20) - Helmet
Level
Grade
K, 1st, 2nd
Topic
Addition
Addition maze (sums to 20) - Helmet
Worksheet instructions: Help the helmet reach the bicycle by coloring in each box if the answer equals 20.
Share
Addition maze (sums to 20) - Bottle
Level
Grade
K, 1st, 2nd
Topic
Addition
Addition maze (sums to 20) - Bottle
Worksheet instructions: Help the bottle reach the recycle bin by coloring in each box if the answer equals 20.
Share
Addition maze (sums to 20) - Gift
Level
Grade
K, 1st, 2nd
Topic
Addition
Addition maze (sums to 20) - Gift
Worksheet instructions: Help the present reach the Christmas tree by solving each addition problem.
Share
Addition maze (sums to 20) - Clothes
Level
Grade
K, 1st, 2nd
Topic
Addition
Addition maze (sums to 20) - Clothes
Worksheet instructions: Help the clothes reach the washing machine by solving each addition problem.
Share
Addition maze (sums to 20) - Excited Monkey
Level
Grade
K, 1st, 2nd
Topic
Addition
Addition maze (sums to 20) - Excited Monkey
Worksheet instructions: Help George the monkey reach his friend by solving each addition problem.
Share
Addition maze (sums to 20) - Green Bird
Level
Grade
K, 1st, 2nd
Topic
Addition
Addition maze (sums to 20) - Green Bird
Worksheet instructions: Help Amy the bird reach the nest by solving each addition problem.
Share
Addition maze (sums to 20) - Friends
Level
Grade
K, 1st, 2nd
Topic
Addition
Addition maze (sums to 20) - Friends
Worksheet instructions: Help Maya, Noa and Michael reach the playground by solving each addition problem.
Share
Add objects (up to 20) - Fans
Level
Grade
K, 1st
Topic
Addition
Add objects (up to 20) - Fans
Worksheet instructions: Count the Fans. How many fans are there when added together?
Share
1
2
next