# 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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Even more addition square logic puzzles
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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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Write the correct addition/subtraction fact family for each set of numbers.
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Another worksheet with fact family houses in which students much write the correct numbers.
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Add or subtract to find the missing part of each number bond.
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Another set of add-subtract number bonds.
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Find the dollars and cents value of each word.
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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 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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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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Find the missing numbers. Geometry and time challenges.
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More level 1 addition squares; Includes 3 puzzles for students to solve; Sums up to 18
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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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Count the dots on each domino and add to find the sum.
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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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Single-digit column addition problems with three addends; Includes two word problems
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Even more level level 1 addition puzzles to build students' logic skills.
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Most difficult math addition squares on a 3x3 grid.  Challenging level.
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More addition-subtraction number family boxes.
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More basic addition fact practice.  The first addend is between 0 and 7.  Kitty cat 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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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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Yet another set of addition puzzles on a 3 by 3 grid for students to solve.
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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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Adding practice sheet.  The first addend ranges from 0 to 5.  Playful monkey pictures decorate the worksheet.
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Write the domino addends, then count the dots to find the correct sum.
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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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Even more difficult addition square puzzles
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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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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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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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