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  2. Online tutoring - Wikipedia

    en.wikipedia.org/wiki/Online_tutoring

    Worksheets, online bulletin boards, and threaded discussions are examples of tools for e-tivities. An e-tivity may be an effective learning tool if it has an illustrative title, a stimulus or challenge, involves invitations to learners to post messages, is carefully timed, has postings to which others can add, and summaries, critiques or ...

  3. Exercise (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Exercise_(mathematics)

    A mathematical exercise is a routine application of algebra or other mathematics to a stated challenge. Mathematics teachers assign mathematical exercises to develop the skills of their students. Early exercises deal with addition , subtraction , multiplication , and division of integers .

  4. 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.

  5. Science - Wikipedia

    en.wikipedia.org/wiki/Science

    Science is a systematic discipline that builds and organises knowledge in the form of testable hypotheses and predictions about the universe. [1] [2] Modern science is typically divided into two or three major branches: [3] the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; and the social sciences (e.g., economics, psychology, and sociology), which ...

  6. Project - Wikipedia

    en.wikipedia.org/wiki/Project

    A project is a type of assignment, typically involving research or design, that is carefully planned to achieve a specific objective. [1]An alternative view sees a project managerially as a sequence of events: a "set of interrelated tasks to be executed over a fixed period and within certain cost and other limitations".

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