# 1st Grade Common Core: 1.OA.2

Common Core Identifier: 1.OA.2 / Grade: 1
Curriculum: Operations And Algebraic Thinking: Represent And Solve Problems Involving Addition And Subtraction.
Detail: Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.
22 Common Core State Standards (CCSS) aligned worksheets found:
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Most difficult math addition squares on a 3x3 grid.  Challenging level.
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Even more difficult addition square puzzles
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Yet another set of addition puzzles on a 3 by 3 grid for students to solve.
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This week your students will solve the word problems using skills such as counting, adding, and subtracting.
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This week students will use logic and reasoning skills, as well as other important math skills to solve these realistic word problems.
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This week, students will complete a tally chart, add time and draw it on a clock, add, and subtract.
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If you've been doing one of these worksheets a day, you've made it past the 100th day of school! You might notice some of the problems are getting a bit trickier as you go on. This week we'll show time on a clock, read tally marks on a chart, count by tens, and more.
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This week your students will read and interpret a bar graph, draw time on a clock, practice their addition and subtraction skills, and more!
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With this week's word problems, students will add 3 or more numbers, show time on an analog clock, subtract, and more.
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Practice elementary math concepts such as skip counting, simple addition, place value with tens and ones, and more.
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Practice basic subtraction, skip counting, comparing numbers, and more with these word problems.
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Fill in a tally chart, count by tens, draw lines to divide a shape into equal parts, and practice more important math skills with this week's daily word problems.
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Get some more daily practice with key math skills such as telling time, reading and making a tally chart, addition, and more.
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This week, students will practice reading tally marks on a chart, adding, subtracting, and counting.
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Practice important first-grade math skills with these daily word problems. This week's topics include basic addition and counting by tens.
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Finish this series strong with a picture graph, time calculations, and other interesting daily word problems. If you've been doing this set in order, your students may be ready to move on to our second grade series!
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Use realistic scenarios described in these word problems to help students practice crucial elementary math skills.
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Help keep your students' math skills fresh with this next set of first-grade Daily Word Problems.
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Students will use foundational math skills to find the answers to these five daily word problems.
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