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Standards/Math/North Dakota/3.OA

3.OA

3 Grade 3
3.G
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3.OA
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Operations and Algebraic Thinking

3.OA.1Interpret and model products of whole numbers.3.OA.2Interpret and model whole-number quotients of whole numbers, as the number in a group or the number of groups.3.OA.3Using drawings and equations with a symbol for an unknown number, solve multiplication and division word problems within 100 in situations involving equal groups, arrays, and measurement quantities.3.OA.4Determine the unknown whole number in a multiplication or division equation relating three whole numbers.3.OA.5Apply properties of operations as strategies to multiply and divide (without the use of formal terms).3.OA.6Understand division as an unknown-factor problem.3.OA.7Using mental strategies, fluently multiply and divide within 100.3.OA.8Solve 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.3.OA.9Identify arithmetic patterns, and explain them using properties of operations.
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