enow.com Web Search

  1. Ad

    related to: missing number subtraction to 10 games for grade 12 english paper 3 matric 2020
  2. teacherspayteachers.com has been visited by 100K+ users in the past month

    • Try Easel

      Level up learning with interactive,

      self-grading TPT digital resources.

    • Free Resources

      Download printables for any topic

      at no cost to you. See what's free!

    • Lessons

      Powerpoints, pdfs, and more to

      support your classroom instruction.

    • Assessment

      Creative ways to see what students

      know & help them with new concepts.

Search results

  1. Results from the WOW.Com Content Network
  2. List of Martin Gardner Mathematical Games columns - Wikipedia

    en.wikipedia.org/wiki/List_of_Martin_Gardner...

    The game of solitaire and some variations and transformations 1962 Jul: Fiction about life in two dimensions: 1962 Aug: A variety of diverting tricks collected at a fictitious convention of magicians 1962 Sep: Tests that show whether a large number can be divided by a number from 2 to 12 1962 Oct

  3. Subtraction game - Wikipedia

    en.wikipedia.org/wiki/Subtraction_game

    Subtraction games are generally impartial games, meaning that the set of moves available in a given position does not depend on the player whose turn it is to move.For such a game, the states can be divided up into -positions (positions in which the previous player, who just moved, is winning) and -positions (positions in which the next player to move is winning), and an optimal game playing ...

  4. Subtract a square - Wikipedia

    en.wikipedia.org/wiki/Subtract_a_square

    the number N+1 is 'cold' if only 'hot' numbers can be reached by subtracting a positive square; the number N+1 is 'hot' if at least one 'cold' number can be reached by subtracting a positive square; Using this algorithm, a list of cold numbers is easily derived: 0, 2, 5, 7, 10, 12, 15, 17, 20, 22, 34, 39, 44, … (sequence A030193 in the OEIS)

  5. Nim - Wikipedia

    en.wikipedia.org/wiki/Nim

    The game "21" is played as a misère game with any number of players who take turns saying a number. The first player says "1" and each player in turn increases the number by 1, 2, or 3, but may not exceed 21; the player forced to say "21" loses. This can be modeled as a subtraction game with a heap of 21 − n objects. The winning strategy for ...

  6. Fibonacci nim - Wikipedia

    en.wikipedia.org/wiki/Fibonacci_nim

    Fibonacci nim is played with a pile of coins. The number of coins in this pile, 21, is a Fibonacci number, so a game starting with this pile and played optimally will be won by the second player. Fibonacci nim is a mathematical subtraction game, a variant of the game of nim. Players alternate removing coins from a pile, on each move taking at ...

  7. Mental calculation - Wikipedia

    en.wikipedia.org/wiki/Mental_calculation

    Since 9 = 10 − 1, to multiply a number by nine, multiply it by 10 and then subtract the original number from the result. For example, 9 × 27 = 270 − 27 = 243. This method can be adjusted to multiply by eight instead of nine, by doubling the number being subtracted; 8 × 27 = 270 − (2×27) = 270 − 54 = 216.

  8. Elementary arithmetic - Wikipedia

    en.wikipedia.org/wiki/Elementary_arithmetic

    In English usage, the colon is restricted to the concept of ratios ("a is to b"). In an equation =, a is the dividend, b the divisor, and c the quotient. Division by zero is considered impossible at an elementary arithmetic level. Two numbers can be divided on paper using long division.

  9. Subtraction - Wikipedia

    en.wikipedia.org/wiki/Subtraction

    It is also not associative, meaning that when one subtracts more than two numbers, the order in which subtraction is performed matters. Because 0 is the additive identity, subtraction of it does not change a number. Subtraction also obeys predictable rules concerning related operations, such as addition and multiplication.

  1. Ad

    related to: missing number subtraction to 10 games for grade 12 english paper 3 matric 2020