3rd Grade Math Common Core Operations and Algebraic Thinking

The Common Core Math Standards have been adopted as a set of guidelines for the teaching, learning, and understanding of mathematics in the United States.

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CCSS.MATH.CONTENT.3.OA.A.1| Represent and solve problems involving multiplication and division.

Interpret products of whole numbers, e.g., interpret 5 × 7 as the total number of objects in 5 groups of 7 objects each.

Standards: 3.OA.A.1:

Go to the worksheet page for worksheets that will help with similar skills.

CCSS.MATH.CONTENT.3.OA.A.2 | Represent and solve problems involving multiplication and division.

Interpret whole-number quotients of whole numbers, e.g., interpret 56 ÷ 8 as the number of objects in each share when 56 objects are partitioned equally into 8 shares, or as a number of shares when 56 objects are partitioned into equal shares of 8 objects each.

CCSS.MATH.CONTENT.3.OA.A.3 | Represent and solve problems involving multiplication and division.

Use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.

Standards: 3.OA.A.3

Here are a few division word problems for practice.

CCSS.MATH.CONTENT.3.OA.C.7 | Multiply and divide within 100.

Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g., knowing that 8 × 5 = 40, one knows 40 ÷ 5 = 8) or properties of operations. By the end of Grade 3, know from memory all products of two one-digit numbers.

Standards: 3.OA.C.7

3rd grade students need to memorize their multiplication tables. Here is a blank multiplication grid that can be used for practice.

CCSS.MATH.CONTENT.3.OA.D.8 | Solve problems involving the four operations, and identify and explain patterns in arithmetic.

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.

Standards: 3.OA.D.8

CCSS.MATH.CONTENT.3.OA.D.9 | Solve problems involving the four operations, and identify and explain patterns in arithmetic.

Identify arithmetic patterns (including patterns in the addition table or multiplication table), and explain them using properties of operations.

Standards: 3.OA.D.9

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