Perform the Operation and Reduce the Answer to Lowest Terms $21 \frac { 3 } { 4 } - 14 \frac { 1 } { 6 }$

question 271

Multiple Choice

Perform the operation and reduce the answer to lowest terms.
- $21 \frac { 3 } { 4 } - 14 \frac { 1 } { 6 }$

• A) \(\frac { 1 } { 12 }\)
• B) \(\frac { 12 } { 91 }\)
• C) \(7 \frac { 7 } { 12 }\)
• D) \(45 \frac { 1 } { 2 }\)

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Definitions:

Self-Evaluation

A phase of self-management and intervention that requires students to compare their performance against some criterion. Self-monitoring is a necessary prerequisite. Students must have some form of data (from self-monitoring) to evaluate their performance. The goal is to have students examine the degree to which a match exists between their behavior and some self-selected standard.

Self-Graphing

A self-assessment technique where individuals record and visually display data about their own behaviors over time.

Reactivity

The phenomenon where individuals alter their behavior or responses because they know they are being observed.

External Self-Reinforcement

A type of reinforcement paralleling that administered by a teacher. However, instead of the teacher delivering the reinforcer, the student performs this task.