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Common Core Standards

Word Problems (3 numbers)

Grade: 1st Grade
Standard:

1.OA.A.2

Description:

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.

Standard:

MA.1.AR.1.1

Description:

Apply properties of addition to find a sum of three or more whole numbers.

Standard:

MA.1.AR.2.3

Description:

Determine the unknown whole number in an addition or subtraction equation, relating three whole numbers, with the unknown in any position.

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