1.OA.C Worksheets

CCSS.MATH.CONTENT.1.OA.C

:
"Add and subtract within 20."

These worksheets can help students practice this Common Core State Standards skill.

Worksheets

Count 'Em Up: Celery Addition
Worksheet
Count 'Em Up: Celery Addition
Not only will your first grader get great practice with addition facts, but he'll get to use counting as assistance!
1st grade
Math
Worksheet
Count 'Em Up: Cherry Addition
Worksheet
Count 'Em Up: Cherry Addition
Adding can be as easy as picking cherries! Here's a fun way to improve your first grader's addition ability.
1st grade
Math
Worksheet
Basic Addition
Worksheet
Basic Addition
An apple a day keeps the doctor away--and the math tutor! This colorful worksheet entices first graders to practice single-digit addition and counting.
1st grade
Math
Worksheet
Addition Practice: Fruit Blast
Worksheet
Addition Practice: Fruit Blast
Make addition practice fun with this fruit-filled first grade worksheet! To complete it, your child will solve the addition problems in each piece of fruit.
1st grade
Math
Worksheet
Fun Subtraction: Pizza!
Worksheet
Fun Subtraction: Pizza!
In this fun subtraction worksheet, your child will need to count the number of pizza slices, how many slices were eaten, and make a simple subtraction problem.
1st grade
Math
Worksheet
Bubblegum Addition
Worksheet
Bubblegum Addition
Boost your child's arithmetic skill and addition facts fluency with this bubbly worksheet that offers single-digit addition problems with sums of 9 or less.
1st grade
Math
Worksheet
Color by Sum: Fabulous Fruits
Worksheet
Color by Sum: Fabulous Fruits
Kids do simple addition problems and use those answers to color in this delicious scene, featuring an array of fabulous fruits.
1st grade
Math
Worksheet
Simple Addition Strawberries
Worksheet
Simple Addition Strawberries
This pretty and simple worksheet's great practice for your first grader with single digit addition.
1st grade
Math
Worksheet
Simple Addition Problems
Worksheet
Simple Addition Problems
This simple worksheet lets your child practice single digit addition to find the sums that equal the number above each orange.
1st grade
Math
Worksheet
Simple Addition Watermelons
Worksheet
Simple Addition Watermelons
Simple but playful this single digit addition worksheet makes for great math practice for your first grader.
1st grade
Math
Worksheet
Simple Addition Pineapples
Worksheet
Simple Addition Pineapples
This simple addition worksheet gives your child a lot of math practice adding up sums to find the equations with the same answer.
1st grade
Math
Worksheet
Draw and Add #2
Worksheet
Draw and Add #2
Need a more engaging way to practice math facts? Try this fun drawing exercise, where kids draw out the math problem before they solve it.
1st grade
Math
Worksheet
Color by Simple Subtraction
Worksheet
Color by Simple Subtraction
Who's hiding in the subtraction problems? Use your super subtraction skills to find out which colors to add to the drawing!
1st grade
Math
Worksheet
Simple Addition and Subtraction
Worksheet
Simple Addition and Subtraction
Lend your first grader a hand with beginning math. She'll practice both addition and subtraction with both vertical and horizontal equations.
1st grade
Math
Worksheet
Adding Cats and Dogs
Worksheet
Adding Cats and Dogs
This worksheet is raining cats and dogs! Can you add them all up correctly? Help your beginning mathematician solve these simple equations.
1st grade
Math
Worksheet
Thanksgiving Addition #3
Worksheet
Thanksgiving Addition #3
Your first grader will get into the spirit of the Thanksgiving season as she works on these festive addition problems.
1st grade
Math
Worksheet
Thanksgiving Subtraction #4
Worksheet
Thanksgiving Subtraction #4
Gobble gobble, get ready for some Thanksgiving subtraction! Your child will be on her way to memorizing these simple subtraction facts.
1st grade
Math
Worksheet
Thanksgiving Subtraction #3
Worksheet
Thanksgiving Subtraction #3
Looking for some festive math practice this season? Here's a cornucopia of subtraction problems for your child to solve.
1st grade
Math
Worksheet
Thanksgiving Subtraction #5
Worksheet
Thanksgiving Subtraction #5
Is your child up for some subtraction challenge this autumn? He'll get into the spirit of Thanksgiving as he works on these simple subtraction problems.
1st grade
Math
Worksheet
Thanksgiving Subtraction #2
Worksheet
Thanksgiving Subtraction #2
Prepare for a scrumptious subtraction feast! Your child will practice her simple subtraction facts, and will be on her way to memorizing them.
1st grade
Math
Worksheet
Ski Race Math Facts #10
Worksheet
Ski Race Math Facts #10
And they're off! Your mathematician will join the high-flying fun of this ski race while practicing addition and subtraction facts.
1st grade
Math
Worksheet
Ski Race Math Facts #3
Worksheet
Ski Race Math Facts #3
This addition and subtraction math facts worksheets offers a winter sports theme.
1st grade
Math
Worksheet
Ski Race Math Facts #7
Worksheet
Ski Race Math Facts #7
With this math facts practice sheet, your little skier will join these contenders to race to the finish.
1st grade
Math
Worksheet
Ski Race Math Facts #5
Worksheet
Ski Race Math Facts #5
Find out which skier will win the race in this high-flying math worksheet. Kids will solve problems to show which skier rounded the most flags.
1st grade
Math
Worksheet
Ski Race Math Facts #4
Worksheet
Ski Race Math Facts #4
It's a math facts ski race! Kids will color math-filled flags to determine which skier made it down the hill first.
1st grade
Math
Worksheet
Ski Race Math Facts #6
Worksheet
Ski Race Math Facts #6
It's the Winter Olympics, and two skiers are racing down the mountain. Get your kid to find out who wins with our combination math and color-by-number activity.
1st grade
Math
Worksheet
Ski Race Math Facts #1
Worksheet
Ski Race Math Facts #1
Your child will use his addition and subtraction skills to help the skiers down the slopes. He'll need to solve these mental math problems to see who wins.
1st grade
Math
Worksheet
Ski Race Math Facts #9
Worksheet
Ski Race Math Facts #9
These skiers are flying down the slopes! Who will win? Your first grader will join the high-flying fun while practicing addition and subtraction facts.
1st grade
Math
Worksheet
Ski Race Math Facts #2
Worksheet
Ski Race Math Facts #2
Your little Olympian can join two downhill skiers in this combination math and color-by-number worksheet. Your kid will solve addition and subtraction problems.
1st grade
Math
Worksheet
Autumn Addition
Worksheet
Autumn Addition
Get your first grader started on learning his addition facts with this math worksheet offering beginning addition problems with sums up to 9.
1st grade
Math
Worksheet

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