2nd Grade Common Core: 2.OA.2
Common Core Identifier: 2.OA.2 / Grade: 2
Curriculum: Operations And Algebraic Thinking: Add And Subtract Within 20.
Detail: Fluently add and subtract within 20 using mental strategies.2 By end of Grade 2, know from memory all sums of two one-digit numbers.
181 Common Core State Standards (CCSS) aligned worksheets found:
Write the answers to the addition math facts and color according to the key on this free Halloween pumpkin worksheet.
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Write the correct numbers in each addition/subtraction fact family triangle.
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Write the correct addition/subtraction fact family for each set of numbers.
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Match each subtraction with with the answer in this fun card game.
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Write the answers to the addition math facts and color the Thanksgiving turkey according to the key.
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Addition mystery picture of an Easter bunny with a basket of eggs. Use this free worksheet with your class!
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Write the answers to the addition math facts and color according to the key.
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Look for pairs of adjacent numbers that have a sum of 10. These game boards are shaped like a fall leaves.
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Solve 43 basic subtraction problems as quickly as possible. All numbers are 20 or less. Differences are ten or less.
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Write the sum for each addition problem, then color the parrot according to the key.
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Write the sums for the basic addition facts, then color according to the key. The mystery picture is a reindeer.
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Write the answers to basic subtraction problems and color the Thanksgiving turkey according to the key.
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Use addition or subtraction to determine the missing number in each part-part-whole box.
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Tell which addition problems are shown by each number line.
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This page has subtraction problems illustrated with pictures of counters.
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Print out the game board. Then color pairs of adjacent numbers that add up to 17. The player with the most colored shapes wins.
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Write the sum for the basic addition facts, then color the stocking according to the key.
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Add or subtract to find the missing part of each number bond.
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This worksheet has 43 basic subtraction facts. How quickly can you students solve them? All numbers are 18 or less. Differences are all equal to or less than nine.
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Subtraction mystery picture of an Easter bunny with a basket of eggs.
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Subtraction: Rooster FREE
Subtract and color-by-number to reveal a picture of a colorful rooster.
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Try this fun and free chain reaction game that teaches basic addition facts.
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Write the answers to the subtraction problems and color the picture according to the key.
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Solve all of the mixed addition and subtraction facts as quickly as possible. Includes sums up to and including 20 and differences up to and including 10.
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Another worksheet with fact family houses in which students much write the correct numbers.
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Solve the simple one-digit addition problems, and color the hot air balloon picture according to the code.
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Basic addition math drill sheet with addends 0 through 9. Includes Martin Luther King graphics.
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More fact family subtraction-addition fact family triangles to solve.
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Solve the basic subtraction problems (all minuends are 18 or less; all subtrahends are exactly 9). Then color the mystery scene according to the key. Scene will show a beach ball and sand pail.
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Solve to find the answers to the basic addition facts. Then color according to the key to reveal an Earth Day picture.
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Color a king and queen's castle. Solve the basic adding facts and color the picture.
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Write the answers to the subtraction problems and color the picture according to the key.
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Solve the basic subtraction problems and color by number to reveal a picture of a colorful butterfly.
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Logical thinking: Write the missing numbers to make each scale balance.
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Write the difference for each of the basic subtraction facts, then color according to the key. Christmas stocking picture.
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Find the sums and color; Picture makes a colorful clownfish.
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Write the sums for the basic addition facts, then color according to the key.
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Solve the basic addition problems. Each problem has addends up to 9 and sums up to 18. Then color the summer scene according to the key.
(Approx. grade levels: K-2)
(Approx. grade levels: K-2)
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This worksheet has four very basic addition and subtraction word problems with an Easter theme.
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Answer the addition facts and color the rocket picture according to the code at the bottom.
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A complete set of basic subtraction flashcards up to 18 - 9. This file has 4 large cards per page.
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Write the answer for each basic subtraction facts, then color according to the key.
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Solve the subtracting problems, then color the mystery clownfish picture according to the key.
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Solve to find the answers to the basic subtraction facts. Then color according to the key to reveal a picture of the planet Earth.
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Solve the facts and color this adorable brown dog with black spots.
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Solve the addition problems, the color-by-number according to the key. Picture makes a colorful rooster.
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Find the sum for each addition fact. Then color according to the key. The mystery picture is a colorful dragon.
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Here's a complete set of triangular fact family flashcards to teach subtraction and addition facts.
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Subtract to find differences and color to make a picture of a castle.
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Subtract to find the answers and color the picture of the spotted dog.
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Color the blue whale mystery picture after solving the basic addition facts.
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Solve the problems to reveal fruits and vegetables: a red apple, a yellow banana, green guava fruit, and an orange carrot.
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After answering the addition facts, color the sailboat according to the key.
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Subtract the numbers to find the differences, then color according to the code at the bottom.
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Show jumps on the number line to solve the basic subtraction facts.
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Find the answer to each basic subtraction fact, then color to see the blue and gray whale.
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Write subtraction answers and then color-by-number to see a picture of a parrot.
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Subtract the quantities to find the differences, and use the key to color-by-number to make a hot air balloon picture.
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Find the sum for each problem, then color the mystery picture according to the code.
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Subtraction fact blast off! Solve the facts and color the rocket.
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Solve the basic addition problems with sums up to 18. This worksheet is decorated with Hanukkah-related pictures.
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Count backwards on the number line to solve the basic subtraction facts.
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Subtract 7 from each number and color to reveal a sailboat.
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Use the number line to solve the problems. Tell how many spaces you had to count back.
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Another subtraction worksheet that requires students to count backwards.
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Find the difference for each subtraction fact. Then color according to the key to reveal a colorful Chinese New Year picture.
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Looking for more than 25 facts? Try this worksheet. It has 50!
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Solve the basic addition problems. The color according to the key at the bottom of the page. All addition problems have addends between 1 and 12.
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Find the difference for each basic subtraction fact. Then color according to the key to reveal a brown owl. All subtraction problems have differences within 20.
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First, write the answers to the addition facts. (Facts have addends up to 10.) Then follow the code at the bottom to color the spaces. The finished product is a portrait of Santa Claus.
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Cut out these 36 cards. Flip all the cards face down. Have students take turns flipping the cards to make a match. Example: the "3 + 5" card will match the "8" card.
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This worksheet has 20 addition problems for students to solve. Addends are 10 or less and sums are up to 20.
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Print out this worksheet to practice basic addition problems with sums up to 20.
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Write the answers to the basic addition problems (with addends up to 10). Then color each part of the tree according to the key at the bottom of the page.
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When students solve basic addition problems, they'll be able to decode a picture of a mother bird sitting on her eggs.
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Print out this worksheet to practice basic subtraction facts with minuends up to 20.
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Write the answers to twenty addition facts and color the pictures, if you wish. Addends are 10 or less. Sums are up to 20. (examples: 6+10=16 and 9+9=18) This worksheet features illustrations of kids holding seashells.
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Students love playing our Scoot! games. There are 30 task cards, answer sheets for 20, 25, and 30 questions, and teacher instructions. This version of Scoot! has simple math addition facts to be solved, ideal for students in grades K - 2.
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Each of these facts has addends up to 10 and sums of 20 or less. Illustrations show an kids outside in the rain.
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Color and solve these 20 math problems. Addends are 10 or less. Sums are 20 or less. (examples: 6+9=15 and 7+7=14)
Illustrations of kids on a bike and a skateboard are featured on this worksheet.
Illustrations of kids on a bike and a skateboard are featured on this worksheet.
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In this math card game, students take turns matching each subtraction fact with its answer.
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Cut out the pieces to these 6
star-shaped puzzles. Then place the problems with the same sum to make stars.
star-shaped puzzles. Then place the problems with the same sum to make stars.
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Solve the basic addition problems and color. The finished picture reveals a scene with a jack-o-lantern, a cat, a bat, and a witch.
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Download this basic subtraction activity and practice subtraction facts with minuends up to 20.
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Cut apart the stars into 30 pieces. Have your students combine matching sums and numbers together to form stars.
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Complete the picture models to help find the answer to the subtraction problems. Then write a subtraction fact for each.
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This printable addition worksheet has twenty addition problems to be solved. The addition facts on this worksheet are listed horizontally with addends up to 10 and sums up to 20.
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After solving the basic subtraction facts, color each part of the Santa picture as indicated by the key at the bottom.
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After writing the answers to basic subtraction problems, students color the Christmas tree according to the color code at the bottom of the page.
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Players take turns rolling dice and adding the numbers to find the sums. In each round, the player with the greatest sum wins.
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When students play this game, they will take turns rolling a die. The number they roll corresponds with a column on the game board. They must read and answer all subtraction facts in the column as quickly as they can.
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This printable worksheet has basic addition problems to solve. Next, use the sums to determine what color to use for each space. An airplane will appear in the finished picture.
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This worksheet has 50 different addition and subtraction basic facts. Use it as a timed review or quiz.
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Add and subtract to find the answers to the math problems. Then color each section of the dragon picture according to the key near the bottom of the worksheet.
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Use this printable math activity to help children practice basic subtraction facts with minuends up to 20.
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Students must determine which facts are correct, and which ones are incorrect. They write the sums for each incorrect fact.
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Use scissors to cut along the dotted lines and separate all of the puzzle pieces. On the attached page, there are several different ways for your students to play and learn with these puzzles.
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Use the dominoes to make and solve these basic addition problems.
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Write the sum of each pair of numbers. Then color according to the key at the bottom. The finished picture shows a groundhog emerging from his hole.
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Students will plot the given points and reveal the mystery picture: a Valentine's Day heart.
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Use scissors to cut these 36 cards out along the dotted lines. Match the basic addition problem to the matching domino card.
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This worksheet uses pictures of eggs to help students solve the subtraction problems and then write the number sentence to go with it.
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Using the sums from basic addition facts, color according to the key to find a cute fox.
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Find the differences. Then color according to the key to reveal a Halloween scene.
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This worksheet has 20 subtraction facts to solve with minuends up to 20.
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To complete the colorful picture of a ladybug, students will need to find the differences between pairs of numbers.
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Write the answers to the subtraction facts on the caterpillar. All facts have minuends of 20 or less. (example: 15-5)
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This printable worksheet features twenty basic horizontal addition and subtraction problems.
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This printable subtraction worksheet has twenty horizontal subtraction facts to be solved with minuends up to 20.
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Color the picture by solving the basic addition problems to find the friendly robot!
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Each problem has a sum of 16 or less. After writing the answers, color the dragon picture according to the key.
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It's the perfect winter's day! Children will color and cut out the pages of the mini book and staple them together. They can read the book aloud to a teacher, a family member, or a friend.
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Draw the counters in the space to provided to help form the number sentence for the subtraction problems.
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Have your students solve the subtraction word problem by drawing a picture to help find the answer.
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This printable worksheet provides number lines to help students solve the addition problems.
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This printable has a set of 30 bingo boards and 42 calling cards with basic addition facts to call out.
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Solve the basic math problems in the picture. Use the answers to find what color each space should be and reveal a beach scene.
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Solve the addition problems and color according to the key to reveal two different Thanksgiving-themed mystery pictures.
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First write the answers to the basic subtraction facts. Then color each section of the picture according to the key at the bottom. The finish picture shows a groundhog popping out of his burrow in springtime.
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Cut out ten number tiles at the bottom of the page. Glue each number next to the correct subtraction fact.
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Practice basic addition skills and color in two fun mystery pictures with this file.
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This is a 2-player game for students to compete and practice their addition facts with each other.
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Find and draw the missing counters and then complete the subtraction fact.
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Help the rocket find the star. Along the way, answer the subtraction facts with minuends to 20 and answers to 10.
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Have your students solve these basic subtraction facts on this printable patriotic-themed worksheet.
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This subtraction exercise helps students practice solving problems with differences from 0 to 10. The final picture is a bird sitting on her nest.
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Print out a subtraction bingo board for each student in your class. The teacher calls out subtraction facts and the class marks the answers on their boards.
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This printable math worksheet is another version of mixed addition and subtraction math facts laid out horizontally.
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Print out these subtraction puzzle pieces for a fun way to practice basic subtraction facts.
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Print this worksheet to have your class practice their addition and subtraction facts. Minuends and addends are all 20 or less.
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Play Bingo and learn basic subtraction facts at the same time! This printable includes 42 calling cards with subtraction facts on them and a class set (30) of bingo boards.
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Some of the basic facts are written correctly, but some are not. For facts with incorrect answers, students cross out the sum or difference and replace it with the correct answer.
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After writing the differences for the problems on the page, color the sea monster (dragon) according to the color code at the bottom of the picture.
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Solve the subtraction facts and color according to the key to reveal a fox!
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Students can hunt for basic subtraction facts with this printable number puzzle. Find and circle all 20 subtraction facts.
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Students will solve the basic addition problems and color in the spaces to reveal school supplies and an apple on a desk.
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Solve the basic math facts on this worksheet and color each section according to the key at the bottom. The completed worksheet will reveal a rocket ship in space.
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Color the robot picture by answering the subtraction facts and using the key.
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Depending on which worksheet from this file you give your students, they will color either a dog or a cat.
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This is our most difficult Halloween addition maze, for those especially talented at navigating all the twists and turns. They'll have to add up 7 numbers to find the sum of all the pumpkins they pass.
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This file contains three worksheets. They may look like they have the same design, but when colored in according to the addition problems, each will reveal a unique Easter picture.
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Solve the basic math facts on this page and then color by number to reveal a colorful sailboat.
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On their way through this maze, your students will fill in the number of pumpkins their path passes. At the end, they will add up all the pumpkins to find the total.
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Some of these subtraction facts have correct answers and some are incorrect. Circle the correct answers and cross out the incorrect ones.
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Have your students complete this maze and solve the addition problem by filling in the number of pumpkins the good witch passes on her way through the maze and adding them together.
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Solve and color in this mystery picture according to the key to reveal a sunny beach with colorful seashells.
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This page includes 6 number bonds, each with one number missing. Students will use addition or subtraction to find and fill in that missing number.
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Your students will have fun solving the subtraction problems and coloring in the mystery picture to reveal school supplies on a desk.
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This is a set of flashcards up to 10 + 10. This set has 9 cards per page.
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Have your students solve these very basic subtraction problems. Then they will use the color key to color in the puzzle to reveal sea shells on a beach.
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Complete the addition problems and color the page according to the key. The two worksheets have the same pattern, but when colored in, each will reveal a different picture.
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Your students will solve the basic addition facts and then color each section according to the color key at the bottom.
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Here are 6 more number bonds for students to complete using addition and subtraction.
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This file contains two mystery picture worksheets. They look very similar but depending on which one you do, the picture will be different.
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Which worksheet they complete will determine whether your students color in an apple or a banana.
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Students can solve these basic subtraction problems and then color the picture accordingly to reveal a fun Easter design.
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Find the sums and color accordingly to reveal the mystery image.
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Will your worksheet reveal a tasty summer treat or classic beach toys? It depends which of the two worksheets in this file you complete.
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Download and print flash cards for all basic subtraction facts with minuends to 20 and answers to 10. There are 9 cards per page.
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Solve all of the subtraction problems and color in the picture according to the color key on the bottom of the worksheet.
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These number bonds are laid out horizontally with the sums on the left.
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Complete the number bonds and write the equation represented by the number bond in the blank spaces.
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Find the sums and color the shapes accordingly to reveal a picture of two lanterns.
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Solve the addition problems and color according to the key to reveal the mystery pictures.
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Will this mystery picture be a boat or a plane? It depends which worksheet you give your students!
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Solve the addition problems and color the worksheet based on the key. Depending on which you complete, you will create either a police car or a fire truck.
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Each number bond on this printout has two sets of objects. Students will count the objects to fill in the number bonds.
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Practice basic addition and create a fun coloring picture with this Easter-themed mystery picture.
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These horizontal number bonds have the sums on the right side.
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Draw the correct number of dots to represent the missing number in each number bond.
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This worksheet has 4 number bonds for students to complete. Below each one there is space for them to fill in the complete equation expressed by the diagram.
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Students will complete the basic addition problems and use the answers and their corresponding colors to complete this worksheet.
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Find the answers to the subtraction problems and color according to the key to reveal the patriotic mystery picture.
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Give values of the digits in three-digit number. Subtract to find out how many tulips are in a garden. Color the odd and even tiled numbers.
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