# 1st Grade Common Core: 1.OA.3

Common Core Identifier: 1.OA.3 / Grade: 1

Curriculum: Operations And Algebraic Thinking: Understand And Apply Properties Of Operations And The Relationship Between Addition And Subtraction.

Detail: Apply properties of operations as strategies to add and subtract.3 Examples: If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known. (Commutative property of addition.) To add 2 + 6 + 4, the second two numbers can be added to make a ten, so 2 + 6 + 4 = 2 + 10 = 12. (Associative property of addition.)

36 Common Core State Standards (CCSS) aligned worksheets found:
Practice recognizing and working with the properties of addition problems. This is a good introductory worksheet that contains only simple 1 and 2-digit numbers.

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There are three short-answer questions on this page for thinking about and discussing the properties of addition.

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More fact family subtraction-addition fact family triangles to solve.

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Write the correct numbers in each addition/subtraction fact family triangle.

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Another worksheet with fact family houses in which students much write the correct numbers.

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Write the correct addition/subtraction fact family for each set of numbers.

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Add or subtract to find the missing part of each number bond.

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In the final first grade Math Buzz worksheet set, students will draw coins to make 7 cents, find sums and compare, draw lines to divide circles into halves and quarters, find sums and differences.

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This week, students will find the total value of the coins shown (pennies and nickels), compare sums (using <, >, or =), solve word problems, and tell time on an alaong clock to the nearest half hour.

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This set of Math Buzz worksheets has more place value questions, coin identification (dime and quarter), some 10 more/10 less problems, and simple addition with three addends.

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More level 1 addition squares; Includes 3 puzzles for students to solve; Sums up to 18

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Single-digit column addition problems with three addends; Includes two word problems

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Adding - Basic facts practice drill worksheet. The first addend ranges from 0 to 4. Includes pictures of horses.

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Basic addition facts. The first addend for each problem is between 0 and 8. Cute wizard pictures.

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Practice sheet with forty-three basic addition facts. The first addend ranges from 0 to 3. Includes pictures of roller coasters.

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More basic addition fact practice. The first addend is between 0 and 7. Kitty cat pictures.

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Most difficult math addition squares on a 3x3 grid. Challenging level.

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Try to find and circle all of the addition facts hidden in this number hunt puzzle. It's kind of like a word search, except students search for addition facts.

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Even more level level 1 addition puzzles to build students' logic skills.

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Another basic facts drill. The first addend is between 0 and 6. This worksheet has race car graphics.

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Try to write the answers to all 50 Basic Addition Facts (0 -9) as quickly as possible.

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More difficult addition squares. Solve by placing numbers in boxes to find the given sums. 2x2 grid.

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Practice worksheet with basic addition facts. The first addend is between 0 and 2. The second addend is between 0 and 9. Includes pictures of cute monsters.

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Yet another set of addition puzzles on a 3 by 3 grid for students to solve.

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Basic addition worksheet. First addend is between 0 and 9. Includes cartoon frog pictures.

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More addition square brain teasers for students to solve; Sums up to 30; Medium level.

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Students complete the addition squares by putting numbers in boxes to make the given sums. Easiest level. 2x2 grid.

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Write the domino addends, then count the dots to find the correct sum.

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Adding practice sheet. The first addend ranges from 0 to 5. Playful monkey pictures decorate the worksheet.

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