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Mathematics / Arithmetic Operations and Patterns

Mathematics / Arithmetic Operations and Patterns

3.OA.8. 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.3
3.OA.9. Identify arithmetic patterns (including patterns in the addition table or multiplication table), and explain them using properties of operations. For example, observe that 4 times a number is always even, and explain why 4 times a number can be decomposed into two equal addends.

Exercises
Exercises
  • Arithmetic Operations and Patterns

    Tags : Advanced and challenging problems involving addition, subtraction, multiplication and division, two-step word problems, find the unknown in a given arithmetic equation, identify number patterns.

    • Questions: 15

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