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Representar problemas en dos pasos

3rd Grade

Alabama Course of Study Standards: 8

Determine and justify solutions for two-step word problems using the four operations and write an equation with a letter standing for the unknown quantity. Determine reasonableness of answers using number sense, context, mental computation, and estimation strategies including rounding.

Arkansas Academic Standards: 3.OA.D.8

Solve two-step word problems using the four operations, and be able to:
  • Represent these problems using equations with a letter standing for unknown quantity
  • Assess the reasonableness of answers using mental computation and estimation strategies including rounding
Note: This standard is limited to problems posed with whole numbers and having whole-number answers; students should know how to perform operations in conventional order when there are no parentheses to specify a particular order (Order of Operations).

Arizona - K-12 Academic Standards: 3.OA.D.8

Solve two-step word problems using the four operations. Represent these problems using equations with a letter standing for the unknown quantity. Utilize understanding of the Order of Operations when there are no parentheses.

Common Core State Standards: Math.3.OA.8 or 3.OA.D.8

Solve two-step word problems using the four operations. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.

Mississippi College- and Career-Readiness Standards: 3.OA.8

Solve two-step (two operational steps) word problems using the four operations. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding. Include problems with whole dollar amounts.

North Carolina - Standard Course of Study: 3.OA.8

Solve two-step word problems using addition, subtraction, and multiplication, representing problems using equations with a symbol for the unknown number.

New York State Next Generation Learning Standards: 3.OA.8

Solve two-step word problems posed with whole numbers and having whole-number answers using the four operations.
  1. Represent these problems using equations or expressions with a letter standing for the unknown quantity.
  2. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.
Note: Two-step problems need not be represented by a single expression or equation.

Ohio's Learning Standards: 3.OA.8

Solve two-step word problems using the four operations. Represent these problems using equations with a letter or a symbol, which stands for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding. This standard is limited to problems posed with whole numbers and having whole number answers. Students may use parentheses for clarification since algebraic order of operations is not expected.

Tennessee Academic Standards: 3.OA.D.8

Solve two-step contextual problems using the four operations. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding (See Table 1 - Addition and Subtraction Situations and Table 2 - Multiplication and Division Situations).

Wisconsin Academic Standards: 3.OA.D.7

Solve two-step word problems, posed with whole numbers and having whole number answers, using the four operations. Represent these problems using one or two equations with a letter standing for the unknown quantity. If one equation is used, grouping symbols (i.e. parentheses) may be needed. Assess the reasonableness of answers using mental computation and estimation strategies.

Alabama Course of Study Standards: 10

Identify the nearest 10 or 100 when rounding whole numbers, using place value understanding.

Arkansas Academic Standards: 3.NBT.A.1

Use place value understanding to round whole numbers to the nearest 10 or 100

Common Core State Standards: Math.3.NBT.1 or 3.NBT.A.1

Use place value understanding to round whole numbers to the nearest 10 or 100.

Georgia Standards of Excellence (GSE): 3.NR.1.3

Use place value understanding to round whole numbers up to 1000 to the nearest 10 or 100.

Tennessee Academic Standards: 3.NBT.A.1

Round whole numbers to the nearest 10 or 100 using understanding of place value.

Wisconsin Academic Standards: 3.NBT.A.1

Use place value understanding to generate estimates for problems in real-world situations, with whole numbers within 1,000, using strategies such as mental math, benchmark numbers, compatible numbers, and rounding. Assess the reasonableness of their estimates (e.g., Is my estimate too low or too high? What degree of precision do I need for this situation?).

3rd Grade Math - Representar problemas en dos pasos Lesson
 
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