# Operations and Algebraic Thinking

### MAT-00.OA Domain: [OA] Operations and Algebraic Thinking

#### Understand addition as putting together and adding to, and underst

• MAT-00.OA.01 Represent addition and subtraction with objects
• MAT-00.OA.02 Solve addition and subtract word problems to 10
• MAT-00.OA.03 Decompose numbers less than or equal to 10 into pairs
• MAT-00.OA.04 Find the number that makes 10 when added to 1-9
• MAT-00.OA.05 Fluently add and subtract basic facts within 5

### MAT-01.OA Domain: [OA] Operations and Algebraic Thinking

#### Represent and solve problems involving addition and subtraction.

• MAT-01.OA.01 Solve addition and subtraction word problems within 20
• MAT-01.OA.02 Solve word problems of addition of three whole numbers whose sum <=20

#### Understand and apply properties of operations and the relationship

• MAT-01.OA.03 Apply properties of operations as strategies to add and subtract
• MAT-01.OA.04 Understand subtraction as an unknown-addend problem

#### Add and subtract within 20.

• MAT-01.OA.05 Relate counting to addition and subtraction
• MAT-01.OA.06 Add and subtract within 20, with fluency within 10

#### Work with addition and subtraction equations.

• MAT-01.OA.07 Understand the meaning of the equal sign
• MAT-01.OA.08 Determine the unknown number in addition or subtraction equations

### MAT-02.OA Domain: [OA] Operations and Algebraic Thinking

#### Represent and solve problems involving addition and subtraction.

• MAT-02.OA.01 Solve addition and subtraction word problems within 100

#### Work with equal groups of objects to gain foundations for multipli

• MAT-02.OA.03 Determine whether a group of objects has an odd or even number of member
• MAT-02.OA.04 Add to find the number of objects arranged in arrays

### MAT-03.OA Domain: [OA] Operations and Algebraic Thinking

#### Represent and solve problems involving multiplication and division

• MAT-03.OA.01 Interpret products of whole numbers
• MAT-03.OA.02 Interpret whole-number quotients of whole numbers
• MAT-03.OA.03 Use multiplication and division within 100 to solve word problems
• MAT-03.OA.04 Determine the unknown whole number in a multiplication or division equat

#### Understand properties of multiplication and the relationship betwe

• MAT-03.OA.05 Apply properties of operations as strategies to multiply and divide
• MAT-03.OA.06 Understand division as an unknown-factor problem

#### Multiply and divide within 100.

• MAT-03.OA.07 Fluently multiply and divide basic facts within 100*

#### Solve problems involving the four operations, and identify and exp

• MAT-03.OA.08 Solve two-step word problems using the four operations
• MAT-03.OA.09 Identify arithmetic patterns and explain them using properties of operations

### MAT-04.OA Domain: [OA] Operations and Algebraic Thinking

#### Use the four operations with whole numbers to solve problems.

• MAT-04.OA.01 Interpret a multiplication equation as a comparison
• MAT-04.OA.02 Multiply or divide to solve word problems involving multiplicative compa
• MAT-04.OA.03 Solve multistep word problems in all operations

#### Gain familiarity with factors and multiples.

• MAT-04.OA.04 Find all factor pairs for a whole number in the range 1-100

#### Generate and analyze patterns.

• MAT-04.OA.05 Generate a number or shape pattern that follows a given rule

### MAT-05.OA Domain: [OA] Operations and Algebraic Thinking

#### Write and interpret numerical expressions.

• MAT-05.OA.01 Use parentheses, brackets, or braces in numerical expressions
• MAT-05.OA.02 Write simple and interpret expressions

#### Analyze patterns and relationships.

• MAT-05.OA.03 Generate two numerical patterns using two given rules
• MAT-05.OA.04 Find all factor pairs for a whole number in the range 1-100. Recognize that a whole number is a multiple of each of its factors. Determine whether a given whole number in the range 1-100 is a multiple of a given one-digit number. Determine whether a given whole number in the range 1-100 is prime or composite.