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2. Order of operations - Wikipedia

   en.wikipedia.org/wiki/Order_of_operations

   For example, multiplication is granted a higher precedence than addition, and it has been this way since the introduction of modern algebraic notation. [2] [3] Thus, in the expression 1 + 2 × 3, the multiplication is performed before addition, and the expression has the value 1 + (2 × 3) = 7, and not (1 + 2) × 3 = 9.

3. Keisan Game - Wikipedia

   en.wikipedia.org/wiki/Keisan_Game

   Sansū 1-nen: Keisan Game (けいさんゲーム さんすう1年 ＋−×÷, "Calculation Game: Arithmetic for First Graders") is the first in a series of arithmetic learning video games for the Nintendo Family Computer. It was released April 25, 1986. This particular game focuses on the basics of addition (たしざん) and subtraction ...

4. Elementary arithmetic - Wikipedia

   en.wikipedia.org/wiki/Elementary_arithmetic

   From top-left going clockwise: addition, division, multiplication, and subtraction. Elementary arithmetic is a branch of mathematics involving addition, subtraction, multiplication, and division. Due to its low level of abstraction, broad range of application, and position as the foundation of all mathematics, elementary arithmetic is generally ...

5. KenKen - Wikipedia

   en.wikipedia.org/wiki/KenKen

   A simple KenKen puzzle, with answers filled in as large numbers. KenKen and KenDoku are trademarked names for a style of arithmetic and logic puzzle invented in 2004 by Japanese math teacher Tetsuya Miyamoto, [1] who intended the puzzles to be an instruction-free method of training the brain. [2] The name derives from the Japanese word for ...

6. Krypto (game) - Wikipedia

   en.wikipedia.org/wiki/Krypto_(game)

   A spread of Krypto cards: players must find a way to calculate 12 using the numbers 5, 19, 8, 3 and 6. Krypto is a card game designed by Daniel Yovich in 1963 and published by Parker Brothers and MPH Games Co. [1] It is a mathematical game that promotes proficiency with basic arithmetic operations.

7. Math Blaster! - Wikipedia

   en.wikipedia.org/wiki/Math_Blaster!

   The game, plus its various sequels and spin-offs, has since become the best-selling piece of math software in history. [ 4 ] InfoWorld praised the game for its high resolution graphics, and considered it a standout title in the drill-and-practice edutainment video game genre, and deemed it a perfect teacher's aid for primary school classroom use.