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A. Number Sense, Concepts, and Operations: 3. The student understands the effects of operations on numbers and the relationships among these operations, selects appropriate operations, and computes for problem solving.: 9-12: The student...

MA.A.3.4.1 Add Website - Add Activity

understands and explains the effects of addition, subtraction, multiplication, and division on real numbers, including square roots, exponents, and appropriate inverse relationships.

Math Forum: Ask Dr. Math-Middle Level

Step by step instructions to direct questions from students.

MA.A.3.4.2 Add Website - Add Activity

selects and justifies alternative strategies, such as using properties of numbers, including inverse, identity, distributive, associative, transitive, that allow operational shortcuts for computational procedures in real-world or mathematical problems.

MA.A.3.4.3 Add Website - Add Activity

adds, subtracts, multiplies, and divides real numbers, including square roots and exponents, using appropriate methods of computing, such as mental mathematics, paper and pencil, and calculator.

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