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Unlock the world of numbers and patterns with our engaging 1.OA.A Operations and Algebraic Thinking online worksheets, tailored specifically for Grade 1 students. Designed to inspire young minds, these worksheets offer a comprehensive approach to mastering the basics of operations and algebraic thinking, laying a solid foundation for future mathematical success. Through interactive and thoughtfully crafted exercises, students will explore addition, subtraction, and problem-solving strategies in a fun and stimulating environment. Embrace the joy of learning and help your child excel with our Grade 1 1.OA.A Operations and Algebraic Thinking online worksheets. Start their journey towards becoming a math whiz today!

Check out this FREE Grade 1 1.OA.A Trial Lesson!

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  • 1.OA.A
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Drawing to Help Us Subtract Worksheet
Drawing to Help Us Subtract Worksheet

Drawing to Help Us Subtract Worksheet

Math is made fun with this free worksheet featuring Arctic animal pictures to solve basic subtraction word problems. Kids read the problem and choose the correct drawing of the animals to represent the solution. They'll have a blast with their cool animal friends while learning math!
Drawing to Help Us Subtract Worksheet
Worksheet
Addition and Subtraction: Equations Worksheet
Addition and Subtraction: Equations Worksheet

Addition and Subtraction: Equations Worksheet

This worksheet sharpens your child's visual processing, math equation solving and order of operations skills. It features colorful pictures to help them add and subtract, and traceable lines to identify the correct equation. A great way to practice these skills! (80 words)
Addition and Subtraction: Equations Worksheet
Worksheet
Adding and Subtracting: Instruments Worksheet
Adding and Subtracting: Instruments Worksheet

Adding and Subtracting: Instruments Worksheet

Children can help Isla count her musical instruments with this fun worksheet. The downloadable PDF gives them a chance to practice addition and subtraction by connecting pictures to equations. It's also a great way to learn the order of operations.
Adding and Subtracting: Instruments Worksheet
Worksheet
Subtract by Selling Lemonade with Sabrina Worksheet
Subtract by Selling Lemonade with Sabrina Worksheet

Subtract by Selling Lemonade with Sabrina Worksheet

Kids love running a lemonade stand! Help Sabrina serve up delicious lemonade while working on basic subtraction skills. Look at each picture and use the traceable lines to link them to the correct equations. Download this fun, easy PDF to help kids practice basic computation with success.
Subtract by Selling Lemonade with Sabrina Worksheet
Worksheet
Subtracting Toys with Tyler Worksheet
Subtracting Toys with Tyler Worksheet

Subtracting Toys with Tyler Worksheet

Kids can use cheerful cars and busses to help Tyler donate toys to needy children. The worksheet provides one-to-one representation to help them select the correct subtraction equation, while sharpening their math skills and accuracy. It's exciting and educational!
Subtracting Toys with Tyler Worksheet
Worksheet
Subtracting: Groceries with Georgio Worksheet
Subtracting: Groceries with Georgio Worksheet

Subtracting: Groceries with Georgio Worksheet

Help Georgio in his grocery orders with this fun worksheet! Using colorful pictures and one-to-one representation, kids can intuitively choose the correct subtraction equation to match the picture. The free PDF makes it easy to practice basic subtraction equations without even realizing they're learning.
Subtracting: Groceries with Georgio Worksheet
Worksheet
Adding Instruments with Isla Worksheet
Adding Instruments with Isla Worksheet

Adding Instruments with Isla Worksheet

Your kids can have fun helping Isla add her musical instruments. With colorful pics and one-to-one representation, they can pick the correct addition sentence. They can connect each pic with traceable lines and get to the right sum up to 10.
Adding Instruments with Isla Worksheet
Worksheet
Adding Instruments with Addison Worksheet
Adding Instruments with Addison Worksheet

Adding Instruments with Addison Worksheet

Your math stars will enjoy assisting Addison as he adds his instruments. This worksheet has 10 basic addition problems with pictures of instruments to aid children. They match the pics and sentences, then connect them to the correct problem using the lines. A fun way to learn and practice addition!
Adding Instruments with Addison Worksheet
Worksheet
Solve the Problem: Trick–or–treating Worksheet
Solve the Problem: Trick–or–treating Worksheet

Solve the Problem: Trick–or–treating Worksheet

Kids will love this fun PDF worksheet for trick-or-treating! It's packed with yummy images and math practice. They can read the word problems, count and add numbers, check their answers, and match the addition equations with the pictures. Math made delicious!
Solve the Problem: Trick–or–treating Worksheet
Worksheet
Busy Farmers: Problem Matching Worksheet
Busy Farmers: Problem Matching Worksheet

Busy Farmers: Problem Matching Worksheet

Farming is tough, so help your mathematician out with this fun and stimulating worksheet! They'll read word problems and connect each to its correct picture, using traceable lines. They'll practice addition with three addends, and use the harvest veg pictures to ensure accuracy.
Busy Farmers: Problem Matching Worksheet
Worksheet
Fairytale Addition Worksheet
Fairytale Addition Worksheet

Fairytale Addition Worksheet

Take your kids to Fairytale Land! They'll meet witches, dragons, fairies, elves, knights, and princesses. This free worksheet adds up the fun, letting kids use three addends to solve addition equations and find the right answers. With friends like these, math won't even seem like math!
Fairytale Addition Worksheet
Worksheet
Problem Solving: Tony's Wreath Worksheet
Problem Solving: Tony's Wreath Worksheet

Problem Solving: Tony's Wreath Worksheet

Tony needs help! He's made a beautiful, colorful wreath and needs help counting the flowers. Your math student can read the word problems, match answers to the problems and solve basic addition and subtraction. They'll practice with two and three addends, minuends and subtrahends to find sums and differences and help Tony and his bee friends.
Problem Solving: Tony's Wreath Worksheet
Worksheet
Problem Solving: Erica's Tower Worksheet
Problem Solving: Erica's Tower Worksheet

Problem Solving: Erica's Tower Worksheet

Sweet Erica needs your math student's help! Download the PDF worksheet and have your little math whiz read the word problems, match the pictures and solve basic addition/subtraction problems with two/three addends, minuends and subtrahends. They'll be having fun while strengthening their math fact skills!
Problem Solving: Erica's Tower Worksheet
Worksheet
Party Problems Worksheet
Party Problems Worksheet

Party Problems Worksheet

Problems at parties? No problem! With this engaging PDF worksheet, your student can connect word problems to pictures, check correct answers, and find the sum of 3 addend problems. They'll be a party-saving hero in no time!
Party Problems Worksheet
Worksheet
Adding Up with Old MacDonald Worksheet
Adding Up with Old MacDonald Worksheet

Adding Up with Old MacDonald Worksheet

Old MacDonald needs help counting his animals! Give your little math whiz a fun challenge with a free PDF worksheet. They'll love counting the animals and doing basic addition with two or three addends. Who knew math could be so much fun on the farm?
Adding Up with Old MacDonald Worksheet
Worksheet
Fruity Problem Solving Worksheet
Fruity Problem Solving Worksheet

Fruity Problem Solving Worksheet

Practice addition word problems with young mathematicians using this PDF worksheet featuring fruit. As they read each problem carefully and circle the correct sums, they'll reinforce attention to detail and fine motor skills. Tangible representations are key to helping them with basic addition.
Fruity Problem Solving Worksheet
Worksheet
Counting with Drawings: Fruits & Chocolates Worksheet
Counting with Drawings: Fruits & Chocolates Worksheet

Counting with Drawings: Fruits & Chocolates Worksheet

Learning basic addition and subtraction has never been easier with this free worksheet! Young mathematicians can sort & count to get the right sum or difference for each problem. Plus, they'll practice fine motor skills by circling the correct answer. An ideal way to help kids build important visual recognition and discernment skills.
Counting with Drawings: Fruits & Chocolates Worksheet
Worksheet
At the Pet Store Word Problems Worksheet
At the Pet Store Word Problems Worksheet

At the Pet Store Word Problems Worksheet

Kids love pet stores! This free, fun PDF worksheet engages little learners to solve word problems with counting and addition. With adorable animals to focus on, your child will practice arithmetic with three addends to find the sum! Help them gain success with word addition word problems.
At the Pet Store Word Problems Worksheet
Worksheet
Match and Solve: Cupcakes Problem Worksheet
Match and Solve: Cupcakes Problem Worksheet

Match and Solve: Cupcakes Problem Worksheet

This math worksheet will excite your kid! Read the word problem and look at the cupcakes; the slashes mean some are being taken away. Select the picture that matches the text, then complete the equation to find the solution!
Match and Solve: Cupcakes Problem Worksheet
Worksheet
Match and Solve: Butterfly Problem Worksheet
Match and Solve: Butterfly Problem Worksheet

Match and Solve: Butterfly Problem Worksheet

Kids should practice math problems in different ways. This fun worksheet uses butterflies to represent numbers in word problems. Help your child read the problem and count the butterflies to find the correct illustration. Then, pick the equation with the correct answer and find the solution. Tick the box to complete! (80 words)
Match and Solve: Butterfly Problem Worksheet
Worksheet
Guess the Word Problem Worksheet
Guess the Word Problem Worksheet

Guess the Word Problem Worksheet

Head to the Arctic Circle for math word problems with penguins, bears, and eskimos! This winter printable worksheet helps kids enjoy math with cute images. Guide kids through addition and subtraction in standard form with the penguins. Compare word problems to its written and pictorial forms for an enjoyable lesson!
Guess the Word Problem Worksheet
Worksheet
Amusement Park Word Problems Worksheet
Amusement Park Word Problems Worksheet

Amusement Park Word Problems Worksheet

Engage kids with math by making it realistic and incorporating manipulatives or pics they like! This worksheet helps kids understand word problems. Read the problem, note numbers and key phrases like "in total," then count the pics to find the total!
Amusement Park Word Problems Worksheet
Worksheet
Counting with Drawings:Fruits & Flowers Worksheet
Counting with Drawings:Fruits & Flowers Worksheet

Counting with Drawings:Fruits & Flowers Worksheet

At Kids Academy, we know pictures make math come alive and make sense. This worksheet is perfect for early learners to practice word problems. Kids read each problem and count the images that represent the numbers, then solve the problem with addition or subtraction to get the right answer.
Counting with Drawings:Fruits & Flowers Worksheet
Worksheet
Sea Math Worksheet
Sea Math Worksheet

Sea Math Worksheet

Dive into an ocean of addition with this fun math worksheet! Help your little mathematician count and add colorful coral and fish. Point out phrases like "in total" or "all together" as a reminder to use addition. Watch them add to find the answer and check the boxes to finish!
Sea Math Worksheet
Worksheet