1.OA.C Operations and Algebraic Thinking worksheets for Grade 1
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1.OA.C
Add and subtract within 20.
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Counting Backwards: Treasure Hunt Worksheet
This fun and inviting PDF worksheet gives young math students the opportunity to visualize counting back. They'll trace their way backward from 20 to 10 and help the pirate find his treasure, while also working on fine motor skills. Building foundational math skills like this is vital, so don't miss out on this colorful and inviting activity.
Assign to the classroom
Counting Backwards: Treasure Hunt Worksheet
Worksheet
Make Tens and Add Worksheet
Making a "ten" is a powerful strategy to use when computing, but we may not realize it. This PDF worksheet will help kids understand how easy it is to add three numbers with this strategy. Plus, they'll have fun with the monsters and strengthen fine motor skills as they check the right answer boxes.
Make Tens and Add Worksheet
Worksheet
Tricky Problems Worksheet: Part 1
Visualizing word problems can help students solve them. This fun PDF worksheet encourages students to create mental images using math facts, then check boxes to match the equations for basic addition problems. It's a great way to build confidence in solving math.
Tricky Problems Worksheet: Part 1
Worksheet
Friendly Numbers Worksheet
Help your students add the numbers at the top of the boxes. Check the new number sentences with friendly numbers. Assist them with simple addition and check the sum. It's easy, especially when they've already mastered counting and simple equations.
Friendly Numbers Worksheet
Worksheet
Solve Problems by Counting Worksheet
Download this free colorful worksheet and give your young math student practice with a number line. Counting on or back, they will learn to solve basic addition and subtraction word problems with ease. Ultimately, it will help them develop automaticity for later efficiency with addition and subtraction.
Solve Problems by Counting Worksheet
Worksheet
Birthday Word Problems Substraction Worksheet
This worksheet, Birthday Word Problems, is a great way to improve your child's math and literacy skills. It features tricky subtraction equations based on a birthday celebration - perfect for kids who love birthdays!
Birthday Word Problems Substraction Worksheet
Worksheet
Tricky Problems Worksheet: Part 2
Help your little math learner visualize number stories with this engaging worksheet. They'll connect pictures to the story and use math facts to find the sums. After that, they'll be able to identify the correct number sentences to match. Let them practice and get better at problem solving!
Tricky Problems Worksheet: Part 2
Worksheet
Hoppy Hares Worksheet
Ask your kids if they can identify the rabbits in the picture, then help them solve the math problems. The rabbits need to hop from place to place, so look at the numbers and help your kids figure out the next one. These cute and friendly little animals make great pets. Have fun solving this worksheet together!
Hoppy Hares Worksheet
Worksheet
Count in the School of Magic Worksheet
Your math learners can explore the School of Magic with this worksheet. They'll read equations with addition and subtraction numbers under 20, count back and forth to find the answer, then complete the counting sentences. Fun pictures and easy accuracy make it an enjoyable and successful learning experience.
Count in the School of Magic Worksheet
Worksheet
Count by 2's: Trains Worksheet
Teaching your kids quick computations? Get them skip-counting by 2s! They'll love filling in the colors of the train while counting, and it will help with 'counting up' or backward on paper or in their heads - essential for quick computations later.
Count by 2's: Trains Worksheet
Worksheet
X Marks the Spot Worksheet
Let your kids explore the world of pirates! Ask them what they know about them, what they do and the phrases they like. Download the printout and point at the images, asking them to tell you what they see. Help them tick the box for the number that makes the sentence true. Let them have fun learning about pirates! (80 words)
X Marks the Spot Worksheet
Worksheet
Using Number Sentences to Solve Problems Worksheet
Solving math problems requires an efficient strategy. Picture representation can help young mathematicians with basic addition problems, especially when it involves repeated addends. As they gain confidence, they'll be able to apply their number sentence solving abilities to more complex equations.
Using Number Sentences to Solve Problems Worksheet
Worksheet
Friendly Doubles Worksheet
Kids will love this animated worksheet with bright colors! It helps them learn how to use doubles facts to answer three addend addition problems. It boosts their math skills, making computation easier, faster and more efficient. It also assists with adding and subtracting larger numbers. Let the power of doubles get them started!
Friendly Doubles Worksheet
Worksheet
Jungle Addition Worksheet
With this worksheet, kids can use the strategies of making tens and adding doubles to add numbers with more than three addends. They'll practice choosing the right method and become more confident in their calculations, enabling quicker, more efficient computation.
Jungle Addition Worksheet
Worksheet
Penguin's Friendly Numbers Worksheet
Can your child find the little penguin? Ask them to tell you what they know about penguins and challenge them with this tracing sheet. There are 4 icebergs with 3 numbers each - have them trace the dotted line between 2 numbers that amount to 10.
Penguin's Friendly Numbers Worksheet
Worksheet
Supermarket Math Worksheet
Take your kids to the supermarket and ask what they're looking forward to buying. Help them solve the three questions in the worksheet by interpreting each one into an equation, then choose the right answer.
Supermarket Math Worksheet
Worksheet
Jungle Subtraction Word Problems Substraction Worksheet
Kids will love this jungle-themed worksheet: subtraction word problems! Help the monkey work out how many bananas he has, using the number line. Encourage your child to use colorful parrots to subtract with ease and make calculations fun!
Jungle Subtraction Word Problems Substraction Worksheet
Worksheet
