1st Grade Common Core: 1.OA.8
Common Core Identifier: 1.OA.8 / Grade: 1
Curriculum: Operations And Algebraic Thinking: Work With Addition And Subtraction Equations.
Detail: Determine the unknown whole number in an addition or subtraction equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 + ? = 11, 5 = ? - 3, 6 + 6 = ?.
59 Common Core State Standards (CCSS) aligned worksheets found:
Write the correct numbers in each addition/subtraction fact family triangle.
Level: 1st through 3rd Grades
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More fact family subtraction-addition fact family triangles to solve.
Level: 1st through 3rd Grades
Write the correct addition/subtraction fact family for each set of numbers.
Level: 1st through 3rd Grades
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.
Level: 1st through 3rd Grades
After answering the addition facts, color the sailboat according to the key.
Level: 1st and 2nd Grades
Write the sums for the basic addition facts, then color according to the key. The mystery picture is a reindeer.
Level: 1st through 3rd Grades
Use the number lines to determine the missing quantity in each subtraction fact. Use the "count back" technique.
Level: 1st and 2nd Grades
Solve the simple one-digit addition problems, and color the hot air balloon picture according to the code.
Level: 1st and 2nd Grades
Solve the facts and color this adorable brown dog with black spots.
Level: 1st and 2nd Grades
Tell which addition problems are shown by each number line.
Level: Kindergarten to 2nd Grades
Write the answers to the addition math facts and color according to the key.
Level: 1st through 3rd Grades
Color the blue whale mystery picture after solving the basic addition facts.
Level: 1st and 2nd Grades
Students use the number line picture to help them add.
Level: 1st and 2nd Grades
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)
Level: Kindergarten to 2nd Grades
Find the sum for each addition fact. Then color according to the key. The mystery picture is a colorful dragon.
Level: 1st through 3rd Grades
Use the number line to determine the missing number in each subtraction fact.
Level: 1st and 2nd Grades
Color a king and queen's castle. Solve the basic adding facts and color the picture.
Level: 1st and 2nd Grades
Write the answers to the addition math facts and color according to the key.
Level: 1st through 3rd Grades
Write the sum for each addition problem, then color the parrot according to the key.
Level: 1st and 2nd Grades
Find the sum for each problem, then color the mystery picture according to the code.
Level: 1st and 2nd Grades
Memory match card game. Flip cards to match each addition fact with the correct domino.
Level:
Find the sums and color; Picture makes a colorful clownfish.
Level: 1st and 2nd Grades
Answer the addition facts and color the rocket picture according to the code at the bottom.
Level: 1st and 2nd Grades
Solve to find the answers to the basic addition facts. Then color according to the key to reveal an Earth Day picture.
Level: 1st through 3rd Grades
Write the answers to the addition math facts and color the Thanksgiving turkey according to the key.
Level: 1st through 3rd Grades
Solve the addition problems, the color-by-number according to the key. Picture makes a colorful rooster.
Level: 1st and 2nd Grades
Solve the problems to reveal fruits and vegetables: a red apple, a yellow banana, green guava fruit, and an orange carrot.
Level: 1st and 2nd Grades
Kids look through a grocery store ad paper and choose 3 foods they'd like to buy. They cut out the pictures and prices, then glue them onto the worksheet. Then they must add the prices of the 3 items together to find the sum.
Level: 1st through 4th Grades
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.
Level: Kindergarten to 2nd Grades
Which worksheet they complete will determine whether your students color in an apple or a banana.
Level: 1st and 2nd Grades
More addition-subtraction number family boxes.
Level: 1st and 2nd Grades
Complete the mixed-up addition table by writing sums in the empty squares.
Level: 1st through 3rd Grades
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.
Level: Kindergarten and 1st Grades
Here's another version of the addition table. This one has a pink bear graphic at the top.
Level: Kindergarten to 2nd Grades
This file contains two mystery picture worksheets. They look very similar but depending on which one you do, the picture will be different.
Level: 1st through 3rd Grades
Students will plot the given points and reveal the mystery picture: a Valentine's Day heart.
Level: Kindergarten to 2nd Grades
Scoot! is a fun game that the whole class can play together. Students move to each desk in the classroom, solving basic addition problems. Game includes 30 task cards, teacher instructions, and a student answer worksheet.
Level: Kindergarten to 2nd Grades
Will this mystery picture be a boat or a plane? It depends which worksheet you give your students!
Level: 1st and 2nd Grades
Use addition or subtraction to determine the missing number in each part-part-whole box.
Level: 1st through 3rd Grades
Subtract to find the difference for each basic fact shown. Then color according to the key at the bottom to reveal a beautiful castle with flags.
Level: 1st and 2nd Grades
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.
Level: 1st through 3rd Grades
This version of the adding table has a blue bear at the top of the page.
Level: Kindergarten to 2nd Grades
Will your worksheet reveal a tasty summer treat or classic beach toys? It depends which of the two worksheets in this file you complete.
Level: 1st through 3rd Grades
This page has four mini charts that you can cut apart and give to students.
Level: Kindergarten to 2nd Grades
Find the sums and color accordingly to reveal the mystery image.
Level: 1st through 3rd Grades
Adding problems with 2-digits; Requires regrouping; Thanksgiving turkey pictures.
Level: 1st through 4th Grades
Find the sums and color the shapes accordingly to reveal a picture of two lanterns.
Level: 1st through 3rd Grades
In this game, kids take turns rolling a die. The number rolled corresponds with a column of math facts on the game board. They read the column of addition facts (with answers) as quickly as possible.
Level: 1st and 2nd Grades
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.
Level: 1st and 2nd Grades
Using the sums from basic addition facts, color according to the key to find a cute fox.
Level: 1st through 3rd Grades
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.
Level: 1st through 5th Grades
Add or subtract to find the missing part of each number bond.
Level: 1st through 3rd Grades
Here's a more basic addition table, with facts up to 5.
Level: Kindergarten to 2nd Grades
Students will complete the basic addition problems and use the answers and their corresponding colors to complete this worksheet.
Level: 1st and 2nd Grades
Depending on which worksheet from this file you give your students, they will color either a dog or a cat.
Level: 1st and 2nd Grades
Find sums for all basic facts on the addition table.
Level: Kindergarten to 2nd Grades
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.
Level: 1st and 2nd Grades
Color the picture by solving the basic addition problems to find the friendly robot!
Level: 1st through 3rd Grades
