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North Carolina - Grade 1 - Math - Operations and Algebraic Thinking - Properties of Operations - NC.1.OA.3

Description

Apply the commutative and associative properties as strategies for solving addition problems.

Additional Info

  • State - North Carolina
  • Standard ID - NC.1.OA.3
  • Subjects - Math Common Core
  • Grade - 1

Keywords

  • Math
  • North Carolina grade 1
  • Operations and Algebraic Thinking

More North Carolina Topics

Represent and solve addition and subtraction word problems, within 20, with unknowns, by using objects, drawings, and equations with a symbol for the unknown number to represent the problem, when solving: • Add to/Take from-Change Unknown • Put together/Take Apart-Addend Unknown • Compare-Difference Unknown

Measure lengths with non-standard units. • Express the length of an object as a whole number of non-standard length units. • Measure by laying multiple copies of a shorter object (the length unit) end to end (iterating) with no gaps or overlaps.

Represent and solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, by using objects, drawings, and equations with a symbol for the unknown number.

Compare two two-digit numbers based on the value of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <.

Using concrete models or drawings, strategies based on place value, properties of operations, and explaining the reasoning used, add, within 100, in the following situations: • A two-digit number and a one-digit number • A two-digit number and a multiple of 10

Here is the skill that North Carolina requires you to master

  • Grade Level 1
  • State Test End-of-Grade test
  • State Standards North Carolina’s Standard Course of Study
  • Subject Math
  • Topic Name Properties of Operations
  • Standard ID NC.1.OA.3
  • Description
    Apply the commutative and associative properties as strategies for solving addition problems.

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Education Galaxy helps students master North Carolina’s Standard Course of Study

Education Galaxy helps students master North Carolina’s Standard Course of Study to prepare students for the End-of-Grade test administered by North Carolina Schools. Education Galaxy’s preparation program provides online assessment and practice for students in Grades K-6 to help build mastery towards North Carolina’s Standard Course of Study. Our unique online program is easy to use and enjoyable for both teachers and students. Students work on their Study Plans practicing important concepts while teachers pull formative assessment reports to identify the strengths and weaknesses of their classroom and individual students.