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Reading & Writing Process

Students will use a variety of recursive reading and writing processes.

California

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Operations and Algebraic Thinking

1.OA.1 - 1.OA.2 Represent and solve problems involving addition and subtraction.

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1.OA.1

Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions

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1.OA.2

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

1.OA.3 - 1.OA.4 Understand and apply properties of operations and the relationship between addition and subtraction.

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1.OA.3

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

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1.OA.4

Understand subtraction as an unknown-addend problem

1.OA.5 - 1.OA.6 Add and subtract within 20.

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1.OA.5

Relate counting to addition and subtraction

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1.OA.6

Add and subtract within 20, demonstrating fluency for addition and subtraction within 10

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1.OA.7 - 1.OA.8 Work with addition and subtraction equations.

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1.OA.7

Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false

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1.OA.8

Determine the unknown whole number in an addition or subtraction equation relating three whole numbers

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