enow.com Web Search

  1. Ads

    related to: number line subtraction worksheet pdf 2nd edition
  2. education.com has been visited by 100K+ users in the past month

    Education.com is great and resourceful - MrsChettyLife

    • Lesson Plans

      Engage your students with our

      detailed lesson plans for K-8.

    • Educational Songs

      Explore catchy, kid-friendly tunes

      to get your kids excited to learn.

    • Digital Games

      Turn study time into an adventure

      with fun challenges & characters.

    • Worksheet Generator

      Use our worksheet generator to make

      your own personalized puzzles.

Search results

  1. Results from the WOW.Com Content Network
  2. Number line - Wikipedia

    en.wikipedia.org/wiki/Number_line

    The first mention of the number line used for operation purposes is found in John Wallis's Treatise of Algebra (1685). [2] [page needed] In his treatise, Wallis describes addition and subtraction on a number line in terms of moving forward and backward, under the metaphor of a person walking.

  3. Classical Hamiltonian quaternions - Wikipedia

    en.wikipedia.org/wiki/Classical_Hamiltonian...

    Multiplication of two real numbers, two imaginary numbers or a real number by an imaginary number in the classical notation system was the same operation. Multiplication of a scalar and a vector was accomplished with the same single multiplication operator; multiplication of two vectors of quaternions used this same operation as did ...

  4. Investigations in Numbers, Data, and Space - Wikipedia

    en.wikipedia.org/wiki/Investigations_in_Numbers...

    Investigations was developed between 1990 and 1998. It was just one of a number of reform mathematics curricula initially funded by a National Science Foundation grant. The goals of the project raised opposition to the curriculum from critics (both parents and mathematics teachers) who objected to the emphasis on conceptual learning instead of instruction in more recognized specific methods ...

  5. Subtraction - Wikipedia

    en.wikipedia.org/wiki/Subtraction

    In a sense, subtraction is the inverse of addition. That is, c = a − b if and only if c + b = a. In words: the difference of two numbers is the number that gives the first one when added to the second one. Subtraction follows several important patterns. It is anticommutative, meaning that changing the order changes the sign of the answer.

  6. Numeracy - Wikipedia

    en.wikipedia.org/wiki/Numeracy

    Fundamental (or rudimentary) numeracy skills include understanding of the real number line, time, measurement, and estimation. [6] Fundamental skills include basic skills (the ability to identify and understand numbers) and computational skills (the ability to perform simple arithmetical operations and compare numerical magnitudes).

  7. Talk:Number line - Wikipedia

    en.wikipedia.org/wiki/Talk:Number_line

    A geometric discussion of addition and subtraction of real numbers using the number line, ideally including pictures; A basic discussion of how left and right correspond to less than and greater than, as well as how distance corresponds to the absolute value of the difference; A short discussion of how the rational numbers fit onto the number ...

  1. Ads

    related to: number line subtraction worksheet pdf 2nd edition