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
Addition Fact Families: Reach for the Stars #1
Worksheet
Addition Fact Families: Reach for the Stars #1
Review addition fact families with your child to help him reach for the stars! A mix of addition and subtraction will sharpen his math skills.
1st Grade
Math
Worksheet
Addition Within 10: Berries
Interactive Worksheet
Addition Within 10: Berries
Learners will make the connection between simple addition and counting in this illustrated worksheet.
1st Grade
Math
Interactive Worksheet
Addition Within 10: Lemons
Interactive Worksheet
Addition Within 10: Lemons
Learners will make the connection between simple addition and counting in this illustrated worksheet.
1st Grade
Math
Interactive Worksheet
Vegetable Math
Worksheet
Vegetable Math
Practice creating and solving simple addition problems.
2nd 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
Single-Digit Subtraction
Interactive Worksheet
Single-Digit Subtraction
Build single-digit subtraciton skills with this math worksheet.
1st Grade
Math
Interactive Worksheet
Valentine's Day Addition #1
Interactive Worksheet
Valentine's Day Addition #1
Celebrate Valentine's Day while reviewing math facts! Your little one can solve these addition problems, and soon he'll be able to memorizing them.
1st Grade
Math
Interactive Worksheet
Valentine's Day Addition #2
Interactive Worksheet
Valentine's Day Addition #2
Prepare your first grader for Valentine's Day with these sweet math problems to help her review her addition math facts.
1st Grade
Math
Interactive Worksheet
Valentine's Day Addition #3
Interactive Worksheet
Valentine's Day Addition #3
Little math learners can have a blast solving these Valentine's Day addition problems! Build basic math skills with this practice sheet.
1st Grade
Math
Interactive Worksheet
Valentine's Day Addition #4
Interactive Worksheet
Valentine's Day Addition #4
Build basic math skills with this practice sheet, full of one-digit addition equations for your child to practice and start memorizing.
1st Grade
Math
Interactive Worksheet
Valentine's Day Addition #5
Interactive Worksheet
Valentine's Day Addition #5
Put a little love into math practice with these sweet Valentine's Day addition problems, where your first grader can review his math facts.
1st Grade
Math
Interactive Worksheet
Valentine's Day Subtraction #2
Interactive Worksheet
Valentine's Day Subtraction #2
Prepare your first grader for Valentine's Day with these sweet math problems to help her review her subtraction math facts.
1st Grade
Math
Interactive Worksheet
Valentine's Day Subtraction #3
Interactive Worksheet
Valentine's Day Subtraction #3
Little love-bugs can have a blast solving these Valentine's Day subtraction problems! Build basic math skills with this practice sheet.
1st Grade
Math
Interactive Worksheet
Valentine's Day Subtraction #4
Interactive Worksheet
Valentine's Day Subtraction #4
Build basic math skills with this practice sheet, full of simple subtraction equations for your child to practice and start memorizing.
1st Grade
Math
Interactive Worksheet
Valentine's Day Subtraction #5
Interactive Worksheet
Valentine's Day Subtraction #5
Put a little love into math practice with these sweet Valentine's Day subtraction problems. Your first grader can start memorizing math facts.
1st Grade
Math
Interactive 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 #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
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 #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 #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 #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 #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 #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 #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
St. Patrick's Day Addition #1
Worksheet
St. Patrick's Day Addition #1
Collect all of these lucky clovers by solving each addition problem! Your little math whiz can practice memorizing his addition facts.
1st Grade
Math
Worksheet
St. Patrick's Day Addition #2
Worksheet
St. Patrick's Day Addition #2
Give your little lucky charm a fun way to practice his math this St. Patty's Day! He'll have 12 simple addition problems to solve.
1st Grade
Math
Worksheet
St. Patrick's Day Addition #3
Worksheet
St. Patrick's Day Addition #3
Try out your luck with these St. Patrick's Day addition problems, perfect for helping your little learner build basic math skills.
1st Grade
Worksheet
St. Patrick's Day Subtraction #1
Interactive Worksheet
St. Patrick's Day Subtraction #1
Collect all of these lucky clovers by solving each subtraction problem! Your little math whiz can practice memorizing his subtraction facts.
1st Grade
Math
Interactive Worksheet
St. Patrick's Day Subtraction #2
Interactive Worksheet
St. Patrick's Day Subtraction #2
Give your little lucky charm a fun way to practice math this St. Patty's Day! He'll have 12 simple subtraction problems to solve.
1st Grade
Math
Interactive 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
