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2. Elementary algebra - Wikipedia

   en.wikipedia.org/wiki/Elementary_algebra

   Variables allow one to describe some mathematical properties. For example, a basic property of addition is commutativity which states that the order of numbers being added together does not matter. Commutativity is stated algebraically as ( a + b ) = ( b + a ) {\displaystyle (a+b)=(b+a)} .

3. Science Research Associates - Wikipedia

   en.wikipedia.org/wiki/Science_Research_Associates

   Science Research Associates Inc. was founded in 1938 [1] with a trade and occupational focus. In 1957, it moved into individualized classroom instruction with the iconic SRA Reading Laboratory Kit, a format that they translated to mathematics, science, and social studies [1] commonly called SRA cards. [2]

4. Standards-based assessment - Wikipedia

   en.wikipedia.org/wiki/Standards-based_assessment

   A standards-based test is an assessment based on the outcome-based education or performance-based education philosophy. [11] Assessment is a key part of the standards reform movement. The first part is to set new, higher standards to be expected of every student. Then the curriculum must be aligned to the new standards.

5. Worksheet - Wikipedia

   en.wikipedia.org/wiki/Worksheet

   The form comes with two worksheets, one to calculate exemptions, and another to calculate the effects of other income (second job, spouse's job). The bottom number in each worksheet is used to fill out two if the lines in the main W4 form. The main form is filed with the employer, and the worksheets are discarded or held by the employee.

6. Free variables and bound variables - Wikipedia

   en.wikipedia.org/wiki/Free_variables_and_bound...

   A free variable is a notation (symbol) that specifies places in an expression where substitution may take place and is not a parameter of this or any container expression. The idea is related to a placeholder (a symbol that will later be replaced by some value), or a wildcard character that stands for an unspecified symbol. In computer ...

7. Accelerated Reader - Wikipedia

   en.wikipedia.org/wiki/Accelerated_Reader

   Florida Center for Reading Research, citing two studies that support the product, noted both the lack of available books in a school's library and the lack of assessment of "inferential or critical thinking skills" as weaknesses of the software. Their guide also noted a number of strengths of the software, including its ability to motivate ...