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`Mathematics`

`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

http://forum.swarthmore.edu/dr.math/tocs/exponent.middle.htmlStep 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.`